New: Translations support for Health Checks

src/NzbDrone.Core.Test/HealthCheck/Checks/AppDataLocationFixture.cs

@@ -1,6 +1,8 @@
-using NUnit.Framework;
+using Moq;
+using NUnit.Framework;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 using NzbDrone.Test.Common;
 
@@ -9,6 +11,14 @@ namespace NzbDrone.Core.Test.HealthCheck.Checks
     [TestFixture]
     public class AppDataLocationFixture : CoreTest<AppDataLocationCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         [Test]
         public void should_return_warning_when_app_data_is_child_of_startup_folder()
         {

src/NzbDrone.Core.Test/HealthCheck/Checks/DotnetVersionCheckFixture.cs

@@ -1,7 +1,9 @@
 using System;
+using Moq;
 using NUnit.Framework;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
@@ -9,6 +11,14 @@ namespace NzbDrone.Core.Test.HealthCheck.Checks
     [TestFixture]
     public class DotnetVersionCheckFixture : CoreTest<DotnetVersionCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         private void GivenOutput(string version)
         {
             WindowsOnly();

src/NzbDrone.Core.Test/HealthCheck/Checks/DownloadClientCheckFixture.cs

@@ -1,8 +1,10 @@
-using System;
+using System;
 using System.Collections.Generic;
+using Moq;
 using NUnit.Framework;
 using NzbDrone.Core.Download;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
@@ -10,6 +12,14 @@ namespace NzbDrone.Core.Test.HealthCheck.Checks
     [TestFixture]
     public class DownloadClientCheckFixture : CoreTest<DownloadClientCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         [Test]
         public void should_return_warning_when_download_client_has_not_been_configured()
         {

src/NzbDrone.Core.Test/HealthCheck/Checks/ImportMechanismCheckFixture.cs

@@ -1,6 +1,8 @@
+using Moq;
 using NUnit.Framework;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
@@ -8,6 +10,14 @@ namespace NzbDrone.Core.Test.HealthCheck.Checks
     [TestFixture]
     public class ImportMechanismCheckFixture : CoreTest<ImportMechanismCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         private void GivenCompletedDownloadHandling(bool? enabled = null)
         {
             if (enabled.HasValue)

src/NzbDrone.Core.Test/HealthCheck/Checks/IndexerRssCheckFixture.cs

@@ -1,8 +1,9 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using Moq;
 using NUnit.Framework;
 using NzbDrone.Core.HealthCheck.Checks;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
@@ -22,6 +23,10 @@ public void SetUp()
             Mocker.GetMock<IIndexerFactory>()
                   .Setup(s => s.RssEnabled(It.IsAny<bool>()))
                   .Returns(new List<IIndexer>());
+
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
         }
 
         private void GivenIndexer(bool supportsRss, bool supportsSearch)
@@ -47,6 +52,10 @@ private void GivenRssFiltered()
             Mocker.GetMock<IIndexerFactory>()
                   .Setup(s => s.RssEnabled(false))
                   .Returns(new List<IIndexer> { _indexerMock.Object });
+
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("recent indexer errors");
         }
 
         [Test]

src/NzbDrone.Core.Test/HealthCheck/Checks/IndexerSearchCheckFixture.cs

@@ -1,8 +1,9 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using Moq;
 using NUnit.Framework;
 using NzbDrone.Core.HealthCheck.Checks;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
@@ -26,6 +27,10 @@ public void SetUp()
             Mocker.GetMock<IIndexerFactory>()
                   .Setup(s => s.InteractiveSearchEnabled(It.IsAny<bool>()))
                   .Returns(new List<IIndexer>());
+
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
         }
 
         private void GivenIndexer(bool supportsRss, bool supportsSearch)
@@ -62,6 +67,10 @@ private void GivenSearchFiltered()
             Mocker.GetMock<IIndexerFactory>()
                   .Setup(s => s.InteractiveSearchEnabled(false))
                   .Returns(new List<IIndexer> { _indexerMock.Object });
+
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("recent indexer errors");
         }
 
         [Test]

src/NzbDrone.Core.Test/HealthCheck/Checks/IndexerStatusCheckFixture.cs

@@ -4,6 +4,7 @@
 using NUnit.Framework;
 using NzbDrone.Core.HealthCheck.Checks;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
@@ -24,6 +25,10 @@ public void SetUp()
             Mocker.GetMock<IIndexerStatusService>()
                    .Setup(v => v.GetBlockedProviders())
                    .Returns(_blockedIndexers);
+
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
         }
 
         private Mock<IIndexer> GivenIndexer(int i, double backoffHours, double failureHours)

src/NzbDrone.Core.Test/HealthCheck/Checks/MonoVersionCheckFixture.cs

@@ -1,7 +1,9 @@
 using System;
+using Moq;
 using NUnit.Framework;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
@@ -9,6 +11,14 @@ namespace NzbDrone.Core.Test.HealthCheck.Checks
     [TestFixture]
     public class MonoVersionCheckFixture : CoreTest<MonoVersionCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         private void GivenOutput(string version)
         {
             MonoOnly();

src/NzbDrone.Core.Test/HealthCheck/Checks/NetImportStatusCheckFixture.cs

@@ -3,6 +3,7 @@
 using Moq;
 using NUnit.Framework;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.NetImport;
 using NzbDrone.Core.Test.Framework;
 
@@ -24,6 +25,10 @@ public void SetUp()
             Mocker.GetMock<INetImportStatusService>()
                    .Setup(v => v.GetBlockedProviders())
                    .Returns(_blockedLists);
+
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
         }
 
         private Mock<INetImport> GivenList(int i, double backoffHours, double failureHours)

src/NzbDrone.Core.Test/HealthCheck/Checks/ReleaseBranchCheckFixture.cs

@@ -1,6 +1,8 @@
+using Moq;
 using NUnit.Framework;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
@@ -8,6 +10,14 @@ namespace NzbDrone.Core.Test.HealthCheck.Checks
     [TestFixture]
     public class ReleaseBranchCheckFixture : CoreTest<ReleaseBranchCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         private void GivenValidBranch(string branch)
         {
             Mocker.GetMock<IConfigFileProvider>()

src/NzbDrone.Core.Test/HealthCheck/Checks/RemovedMovieCheckFixture.cs

@@ -1,15 +1,25 @@
 using System.Collections.Generic;
 using FizzWare.NBuilder;
+using Moq;
 using NUnit.Framework;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Movies;
 using NzbDrone.Core.Test.Framework;
 
 namespace NzbDrone.Core.Test.HealthCheck.Checks
 {
     [TestFixture]
-    public class RemovedSeriesCheckFixture : CoreTest<RemovedSeriesCheck>
+    public class RemovedMovieCheckFixture : CoreTest<RemovedMovieCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         private void GivenMovie(int amount, int deleted)
         {
             List<Movie> movie;

src/NzbDrone.Core.Test/HealthCheck/Checks/RootFolderCheckFixture.cs

@@ -5,6 +5,7 @@
 using NUnit.Framework;
 using NzbDrone.Common.Disk;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Movies;
 using NzbDrone.Core.Test.Framework;
 
@@ -13,6 +14,14 @@ namespace NzbDrone.Core.Test.HealthCheck.Checks
     [TestFixture]
     public class RootFolderCheckFixture : CoreTest<RootFolderCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         private void GivenMissingRootFolder()
         {
             var movies = Builder<Movie>.CreateListOfSize(1)

src/NzbDrone.Core.Test/HealthCheck/Checks/UpdateCheckFixture.cs

@@ -1,9 +1,10 @@
-using Moq;
+using Moq;
 using NUnit.Framework;
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.HealthCheck.Checks;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Test.Framework;
 using NzbDrone.Core.Update;
 
@@ -12,6 +13,14 @@ namespace NzbDrone.Core.Test.HealthCheck.Checks
     [TestFixture]
     public class UpdateCheckFixture : CoreTest<UpdateCheck>
     {
+        [SetUp]
+        public void Setup()
+        {
+            Mocker.GetMock<ILocalizationService>()
+                  .Setup(s => s.GetLocalizedString(It.IsAny<string>()))
+                  .Returns("Some Warning Message");
+        }
+
         [Test]
         public void should_return_error_when_app_folder_is_write_protected()
         {

src/NzbDrone.Core/HealthCheck/Checks/AppDataLocationCheck.cs

@@ -1,5 +1,6 @@
-using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -7,7 +8,8 @@ public class AppDataLocationCheck : HealthCheckBase
     {
         private readonly IAppFolderInfo _appFolderInfo;
 
-        public AppDataLocationCheck(IAppFolderInfo appFolderInfo)
+        public AppDataLocationCheck(IAppFolderInfo appFolderInfo, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _appFolderInfo = appFolderInfo;
         }
@@ -17,7 +19,7 @@ public override HealthCheck Check()
             if (_appFolderInfo.StartUpFolder.IsParentPath(_appFolderInfo.AppDataFolder) ||
                 _appFolderInfo.StartUpFolder.PathEquals(_appFolderInfo.AppDataFolder))
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "Updating will not be possible to prevent deleting AppData on Update");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("AppDataLocationHealthCheckMessage"));
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/DotnetVersionCheck.cs

@@ -1,6 +1,7 @@
-using System;
+using System;
 using NLog;
 using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -10,7 +11,8 @@ public class DotnetVersionCheck : HealthCheckBase
         private readonly IOsInfo _osInfo;
         private readonly Logger _logger;
 
-        public DotnetVersionCheck(IPlatformInfo platformInfo, IOsInfo osInfo, Logger logger)
+        public DotnetVersionCheck(IPlatformInfo platformInfo, IOsInfo osInfo, ILocalizationService localizationService, Logger logger)
+            : base(localizationService)
         {
             _platformInfo = platformInfo;
             _osInfo = osInfo;
@@ -47,13 +49,13 @@ public override HealthCheck Check()
                 _logger.Debug("Dotnet version is {0} or better: {1}", stableVersion, dotnetVersion);
                 return new HealthCheck(GetType(),
                     HealthCheckResult.Notice,
-                    $"Currently installed .Net Framework {dotnetVersion} is supported but we recommend upgrading to at least {targetVersion}.",
+                    string.Format(_localizationService.GetLocalizedString("DotNetVersionCheckNotRecommendedMessage"), dotnetVersion, targetVersion),
                     "#currently-installed-net-framework-is-supported-but-upgrading-is-recommended");
             }
 
             return new HealthCheck(GetType(),
                 HealthCheckResult.Error,
-                $"Currently installed .Net Framework {dotnetVersion} is old and unsupported. Please upgrade the .Net Framework to at least {targetVersion}.",
+                string.Format(_localizationService.GetLocalizedString("DotNetVersionCheckOldUnsupportedMessage"), dotnetVersion, targetVersion),
                 "#currently-installed-net-framework-is-old-and-unsupported");
         }
 

src/NzbDrone.Core/HealthCheck/Checks/DownloadClientCheck.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using NLog;
 using NzbDrone.Core.Download;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.ThingiProvider.Events;
 
 namespace NzbDrone.Core.HealthCheck.Checks
@@ -15,7 +16,8 @@ public class DownloadClientCheck : HealthCheckBase
         private readonly IProvideDownloadClient _downloadClientProvider;
         private readonly Logger _logger;
 
-        public DownloadClientCheck(IProvideDownloadClient downloadClientProvider, Logger logger)
+        public DownloadClientCheck(IProvideDownloadClient downloadClientProvider, ILocalizationService localizationService, Logger logger)
+            : base(localizationService)
         {
             _downloadClientProvider = downloadClientProvider;
             _logger = logger;
@@ -27,7 +29,7 @@ public override HealthCheck Check()
 
             if (!downloadClients.Any())
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "No download client is available");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("DownloadClientCheckNoneAvailableMessage"));
             }
 
             foreach (var downloadClient in downloadClients)
@@ -40,7 +42,7 @@ public override HealthCheck Check()
                 {
                     _logger.Debug(ex, "Unable to communicate with {0}", downloadClient.Definition.Name);
 
-                    var message = $"Unable to communicate with {downloadClient.Definition.Name}.";
+                    var message = string.Format(_localizationService.GetLocalizedString("DownloadClientCheckUnableToCommunicateMessage"), downloadClient.Definition.Name);
                     return new HealthCheck(GetType(), HealthCheckResult.Error, $"{message} {ex.Message}", "#unable-to-communicate-with-download-client");
                 }
             }

src/NzbDrone.Core/HealthCheck/Checks/DownloadClientStatusCheck.cs

@@ -1,6 +1,7 @@
-using System.Linq;
+using System.Linq;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Download;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.ThingiProvider.Events;
 
 namespace NzbDrone.Core.HealthCheck.Checks
@@ -13,7 +14,8 @@ public class DownloadClientStatusCheck : HealthCheckBase
         private readonly IDownloadClientFactory _providerFactory;
         private readonly IDownloadClientStatusService _providerStatusService;
 
-        public DownloadClientStatusCheck(IDownloadClientFactory providerFactory, IDownloadClientStatusService providerStatusService)
+        public DownloadClientStatusCheck(IDownloadClientFactory providerFactory, IDownloadClientStatusService providerStatusService, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _providerFactory = providerFactory;
             _providerStatusService = providerStatusService;
@@ -35,10 +37,10 @@ public override HealthCheck Check()
 
             if (backOffProviders.Count == enabledProviders.Count)
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Error, "All download clients are unavailable due to failures", "#download-clients-are-unavailable-due-to-failures");
+                return new HealthCheck(GetType(), HealthCheckResult.Error, _localizationService.GetLocalizedString("DownloadClientStatusCheckAllClientMessage"), "#download-clients-are-unavailable-due-to-failures");
             }
 
-            return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format("Download clients unavailable due to failures: {0}", string.Join(", ", backOffProviders.Select(v => v.Provider.Definition.Name))), "#download-clients-are-unavailable-due-to-failures");
+            return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format(_localizationService.GetLocalizedString("DownloadClientStatusCheckSingleClientMessage"), string.Join(", ", backOffProviders.Select(v => v.Provider.Definition.Name))), "#download-clients-are-unavailable-due-to-failures");
         }
     }
 }

src/NzbDrone.Core/HealthCheck/Checks/ImportMechanismCheck.cs

@@ -1,6 +1,7 @@
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Configuration.Events;
 using NzbDrone.Core.Download;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.ThingiProvider.Events;
 
 namespace NzbDrone.Core.HealthCheck.Checks
@@ -12,7 +13,8 @@ public class ImportMechanismCheck : HealthCheckBase
     {
         private readonly IConfigService _configService;
 
-        public ImportMechanismCheck(IConfigService configService)
+        public ImportMechanismCheck(IConfigService configService, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _configService = configService;
         }
@@ -21,7 +23,7 @@ public override HealthCheck Check()
         {
             if (!_configService.EnableCompletedDownloadHandling)
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "Enable Completed Download Handling");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("ImportMechanismHealthCheckMessage"));
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/IndexerRssCheck.cs

@@ -1,5 +1,6 @@
-using NzbDrone.Common.Extensions;
+using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.ThingiProvider.Events;
 
 namespace NzbDrone.Core.HealthCheck.Checks
@@ -12,7 +13,8 @@ public class IndexerRssCheck : HealthCheckBase
     {
         private readonly IIndexerFactory _indexerFactory;
 
-        public IndexerRssCheck(IIndexerFactory indexerFactory)
+        public IndexerRssCheck(IIndexerFactory indexerFactory, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _indexerFactory = indexerFactory;
         }
@@ -23,14 +25,14 @@ public override HealthCheck Check()
 
             if (enabled.Empty())
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Error, "No indexers available with RSS sync enabled, Radarr will not grab new releases automatically");
+                return new HealthCheck(GetType(), HealthCheckResult.Error, _localizationService.GetLocalizedString("IndexerRssHealthCheckNoIndexers"));
             }
 
             var active = _indexerFactory.RssEnabled(true);
 
             if (active.Empty())
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "All rss-capable indexers are temporarily unavailable due to recent indexer errors");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("IndexerRssHealthCheckNoAvailableIndexers"));
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/IndexerSearchCheck.cs

@@ -1,5 +1,6 @@
-using NzbDrone.Common.Extensions;
+using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.ThingiProvider.Events;
 
 namespace NzbDrone.Core.HealthCheck.Checks
@@ -12,7 +13,8 @@ public class IndexerSearchCheck : HealthCheckBase
     {
         private readonly IIndexerFactory _indexerFactory;
 
-        public IndexerSearchCheck(IIndexerFactory indexerFactory)
+        public IndexerSearchCheck(IIndexerFactory indexerFactory, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _indexerFactory = indexerFactory;
         }
@@ -23,21 +25,21 @@ public override HealthCheck Check()
 
             if (automaticSearchEnabled.Empty())
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "No indexers available with Automatic Search enabled, Radarr will not provide any automatic search results");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("IndexerSearchCheckNoAutomaticMessage"));
             }
 
             var interactiveSearchEnabled = _indexerFactory.InteractiveSearchEnabled(false);
 
             if (interactiveSearchEnabled.Empty())
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "No indexers available with Interactive Search enabled, Radarr will not provide any interactive search results");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("IndexerSearchCheckNoInteractiveMessage"));
             }
 
             var active = _indexerFactory.AutomaticSearchEnabled(true);
 
             if (active.Empty())
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "All search-capable indexers are temporarily unavailable due to recent indexer errors");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("IndexerSearchCheckNoAvailableIndexersMessage"));
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/IndexerStatusCheck.cs

@@ -1,6 +1,7 @@
 using System.Linq;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.ThingiProvider.Events;
 
 namespace NzbDrone.Core.HealthCheck.Checks
@@ -13,7 +14,8 @@ public class IndexerStatusCheck : HealthCheckBase
         private readonly IIndexerFactory _providerFactory;
         private readonly IIndexerStatusService _providerStatusService;
 
-        public IndexerStatusCheck(IIndexerFactory providerFactory, IIndexerStatusService providerStatusService)
+        public IndexerStatusCheck(IIndexerFactory providerFactory, IIndexerStatusService providerStatusService, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _providerFactory = providerFactory;
             _providerStatusService = providerStatusService;
@@ -35,10 +37,10 @@ public override HealthCheck Check()
 
             if (backOffProviders.Count == enabledProviders.Count)
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Error, "All indexers are unavailable due to failures", "#indexers-are-unavailable-due-to-failures");
+                return new HealthCheck(GetType(), HealthCheckResult.Error, _localizationService.GetLocalizedString("IndexerStatusCheckAllClientMessage"), "#indexers-are-unavailable-due-to-failures");
             }
 
-            return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format("Indexers unavailable due to failures: {0}", string.Join(", ", backOffProviders.Select(v => v.Provider.Definition.Name))), "#indexers-are-unavailable-due-to-failures");
+            return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format(_localizationService.GetLocalizedString("IndexerStatusCheckSingleClientMessage"), string.Join(", ", backOffProviders.Select(v => v.Provider.Definition.Name))), "#indexers-are-unavailable-due-to-failures");
         }
     }
 }

src/NzbDrone.Core/HealthCheck/Checks/MediaInfoDllCheck.cs

@@ -1,11 +1,17 @@
-using System;
+using System;
 using System.Runtime.CompilerServices;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.MediaInfo;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
     public class MediaInfoDllCheck : HealthCheckBase
     {
+        public MediaInfoDllCheck(ILocalizationService localizationService)
+            : base(localizationService)
+        {
+        }
+
         [MethodImpl(MethodImplOptions.NoOptimization)]
         public override HealthCheck Check()
         {
@@ -15,7 +21,7 @@ public override HealthCheck Check()
             }
             catch (Exception e)
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, $"MediaInfo Library could not be loaded {e.Message}");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format(_localizationService.GetLocalizedString("MediaInfoDllCheckMessage"), e.Message));
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/MonoDebugCheck.cs

@@ -1,7 +1,8 @@
-using System.Diagnostics;
+using System.Diagnostics;
 using NLog;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -12,7 +13,8 @@ public class MonoDebugCheck : HealthCheckBase
 
         public override bool CheckOnSchedule => false;
 
-        public MonoDebugCheck(Logger logger, StackFrameHelper stackFrameHelper)
+        public MonoDebugCheck(Logger logger, StackFrameHelper stackFrameHelper, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _logger = logger;
             _stackFrameHelper = stackFrameHelper;

src/NzbDrone.Core/HealthCheck/Checks/MonoNotNetCoreCheck.cs

@@ -1,8 +1,9 @@
-using System.Linq;
+using System.Linq;
 using System.Runtime.InteropServices;
 using NLog;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Processes;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -14,7 +15,9 @@ public class MonoNotNetCoreCheck : HealthCheckBase
 
         public MonoNotNetCoreCheck(IOsInfo osInfo,
                                    IProcessProvider processProvider,
+                                   ILocalizationService localizationService,
                                    Logger logger)
+            : base(localizationService)
         {
             _osInfo = osInfo;
             _processProvider = processProvider;
@@ -42,7 +45,7 @@ public override HealthCheck Check()
 
             return new HealthCheck(GetType(),
                                    HealthCheckResult.Warning,
-                                   "Please upgrade to the .NET Core version of Radarr",
+                                   _localizationService.GetLocalizedString("MonoNotNetCoreCheckMessage"),
                                    "#update-to-net-core-version");
         }
 

src/NzbDrone.Core/HealthCheck/Checks/MonoTlsCheck.cs

@@ -1,8 +1,9 @@
-using System;
+using System;
 using NLog;
 using NLog.Fluent;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Instrumentation.Extensions;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -11,7 +12,8 @@ public class MonoTlsCheck : HealthCheckBase
         private readonly IPlatformInfo _platformInfo;
         private readonly Logger _logger;
 
-        public MonoTlsCheck(IPlatformInfo platformInfo, Logger logger)
+        public MonoTlsCheck(IPlatformInfo platformInfo, ILocalizationService localizationService, Logger logger)
+            : base(localizationService)
         {
             _platformInfo = platformInfo;
             _logger = logger;
@@ -33,7 +35,7 @@ public override HealthCheck Check()
                        .WriteSentryDebug("LegacyTlsProvider", monoVersion.ToString())
                        .Write();
 
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "Sonarr Mono 4.x tls workaround still enabled, consider removing MONO_TLS_PROVIDER=legacy environment option");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("MonoTlsCheckMessage"));
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/MonoVersionCheck.cs

@@ -1,6 +1,7 @@
 using System;
 using NLog;
 using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -9,7 +10,8 @@ public class MonoVersionCheck : HealthCheckBase
         private readonly IPlatformInfo _platformInfo;
         private readonly Logger _logger;
 
-        public MonoVersionCheck(IPlatformInfo platformInfo, Logger logger)
+        public MonoVersionCheck(IPlatformInfo platformInfo, ILocalizationService localizationService, Logger logger)
+            : base(localizationService)
         {
             _platformInfo = platformInfo;
             _logger = logger;

src/NzbDrone.Core/HealthCheck/Checks/MountCheck.cs

@@ -1,6 +1,7 @@
 using System.Linq;
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Movies;
 
 namespace NzbDrone.Core.HealthCheck.Checks
@@ -10,7 +11,8 @@ public class MountCheck : HealthCheckBase
         private readonly IDiskProvider _diskProvider;
         private readonly IMovieService _movieService;
 
-        public MountCheck(IDiskProvider diskProvider, IMovieService movieService)
+        public MountCheck(IDiskProvider diskProvider, IMovieService movieService, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _diskProvider = diskProvider;
             _movieService = movieService;
@@ -27,7 +29,7 @@ public override HealthCheck Check()
 
             if (mounts.Any())
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Error, "Mount containing a movie path is mounted read-only: " + string.Join(",", mounts.Select(m => m.Name)), "#movie-mount-ro");
+                return new HealthCheck(GetType(), HealthCheckResult.Error, _localizationService.GetLocalizedString("MountCheckMessage") + string.Join(", ", mounts.Select(m => m.Name)), "#movie-mount-ro");
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/NetImportStatusCheck.cs

@@ -1,5 +1,6 @@
 using System.Linq;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.NetImport;
 using NzbDrone.Core.ThingiProvider.Events;
 
@@ -13,7 +14,8 @@ public class NetImportStatusCheck : HealthCheckBase
         private readonly INetImportFactory _providerFactory;
         private readonly INetImportStatusService _providerStatusService;
 
-        public NetImportStatusCheck(INetImportFactory providerFactory, INetImportStatusService providerStatusService)
+        public NetImportStatusCheck(INetImportFactory providerFactory, INetImportStatusService providerStatusService, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _providerFactory = providerFactory;
             _providerStatusService = providerStatusService;
@@ -35,10 +37,10 @@ public override HealthCheck Check()
 
             if (backOffProviders.Count == enabledProviders.Count)
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Error, "All lists are unavailable due to failures", "#lists-are-unavailable-due-to-failures");
+                return new HealthCheck(GetType(), HealthCheckResult.Error, _localizationService.GetLocalizedString("NetImportStatusCheckAllClientMessage"), "#lists-are-unavailable-due-to-failures");
             }
 
-            return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format("Lists unavailable due to failures: {0}", string.Join(", ", backOffProviders.Select(v => v.Provider.Definition.Name))), "#lists-are-unavailable-due-to-failures");
+            return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format(_localizationService.GetLocalizedString("NetImportStatusCheckSingleClientMessage"), string.Join(", ", backOffProviders.Select(v => v.Provider.Definition.Name))), "#lists-are-unavailable-due-to-failures");
         }
     }
 }

src/NzbDrone.Core/HealthCheck/Checks/PTPOldSettingsCheck.cs

@@ -2,6 +2,7 @@
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Indexers;
 using NzbDrone.Core.Indexers.PassThePopcorn;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -9,7 +10,8 @@ public class PTPOldSettingsCheck : HealthCheckBase
     {
         private readonly IIndexerFactory _indexerFactory;
 
-        public PTPOldSettingsCheck(IIndexerFactory indexerFactory)
+        public PTPOldSettingsCheck(IIndexerFactory indexerFactory, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _indexerFactory = indexerFactory;
         }
@@ -23,7 +25,7 @@ public override HealthCheck Check()
 
             if (ptpIndexerOldSettings.Count() > 0)
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, $"The following PassThePopcorn indexers have deprecated settings and should be updated: {string.Join(",", ptpIndexerOldSettings)}");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format(_localizationService.GetLocalizedString("PtpOldSettingsCheckMessage"), string.Join(", ", ptpIndexerOldSettings)));
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/ProxyCheck.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Net;
 using NLog;
@@ -6,6 +6,7 @@
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Configuration.Events;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -18,7 +19,8 @@ public class ProxyCheck : HealthCheckBase
 
         private readonly IHttpRequestBuilderFactory _cloudRequestBuilder;
 
-        public ProxyCheck(IRadarrCloudRequestBuilder cloudRequestBuilder, IConfigService configService, IHttpClient client, Logger logger)
+        public ProxyCheck(IRadarrCloudRequestBuilder cloudRequestBuilder, IConfigService configService, IHttpClient client, ILocalizationService localizationService, Logger logger)
+            : base(localizationService)
         {
             _configService = configService;
             _client = client;
@@ -34,7 +36,7 @@ public override HealthCheck Check()
                 var addresses = Dns.GetHostAddresses(_configService.ProxyHostname);
                 if (!addresses.Any())
                 {
-                    return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Failed to resolve the IP Address for the Configured Proxy Host {0}", _configService.ProxyHostname));
+                    return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("ProxyCheckResolveIpMessage"), _configService.ProxyHostname));
                 }
 
                 var request = _cloudRequestBuilder.Create()
@@ -49,13 +51,13 @@ public override HealthCheck Check()
                     if (response.StatusCode == HttpStatusCode.BadRequest)
                     {
                         _logger.Error("Proxy Health Check failed: {0}", response.StatusCode);
-                        return new HealthCheck(GetType(), HealthCheckResult.Error, $"Failed to test proxy. StatusCode: {response.StatusCode}");
+                        return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("ProxyCheckBadRequestMessage"), response.StatusCode));
                     }
                 }
                 catch (Exception ex)
                 {
                     _logger.Error(ex, "Proxy Health Check failed");
-                    return new HealthCheck(GetType(), HealthCheckResult.Error, $"Failed to test proxy: {request.Url}");
+                    return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("ProxyCheckFailedToTestMessage"), request.Url));
                 }
             }
 

src/NzbDrone.Core/HealthCheck/Checks/ReleaseBranchCheck.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Configuration.Events;
+using NzbDrone.Core.Localization;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -10,7 +11,8 @@ public class ReleaseBranchCheck : HealthCheckBase
     {
         private readonly IConfigFileProvider _configFileService;
 
-        public ReleaseBranchCheck(IConfigFileProvider configFileService)
+        public ReleaseBranchCheck(IConfigFileProvider configFileService, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _configFileService = configFileService;
         }
@@ -23,10 +25,10 @@ public override HealthCheck Check()
             {
                 if (currentBranch == "develop" || currentBranch == "nightly")
                 {
-                    return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Branch {0} is for a previous version of Radarr, set branch to 'Aphrodite' for further updates", _configFileService.Branch), "#branch-is-for-a-previous-version");
+                    return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("ReleaseBranchCheckPreviousVersionMessage"), _configFileService.Branch), "#branch-is-for-a-previous-version");
                 }
 
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format("Branch {0} is not a valid Radarr release branch, you will not receive updates", _configFileService.Branch), "#branch-is-not-a-valid-release-branch");
+                return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format(_localizationService.GetLocalizedString("ReleaseBranchCheckOfficialBranchMessage"), _configFileService.Branch), "#branch-is-not-a-valid-release-branch");
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/HealthCheck/Checks/RemotePathMappingCheck.cs

@@ -8,6 +8,7 @@
 using NzbDrone.Core.Datastore.Events;
 using NzbDrone.Core.Download;
 using NzbDrone.Core.Download.Clients;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.Events;
 using NzbDrone.Core.RemotePathMappings;
 using NzbDrone.Core.ThingiProvider.Events;
@@ -30,7 +31,9 @@ public class RemotePathMappingCheck : HealthCheckBase, IProvideHealthCheck
         public RemotePathMappingCheck(IDiskProvider diskProvider,
                                       IProvideDownloadClient downloadClientProvider,
                                       IOsInfo osInfo,
-                                      Logger logger)
+                                      Logger logger,
+                                      ILocalizationService localizationService)
+            : base(localizationService)
         {
             _diskProvider = diskProvider;
             _downloadClientProvider = downloadClientProvider;

src/NzbDrone.Core/HealthCheck/Checks/RemovedMovieCheck.cs

@@ -1,5 +1,6 @@
 using System.Linq;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Movies;
 using NzbDrone.Core.Movies.Events;
 
@@ -7,11 +8,12 @@ namespace NzbDrone.Core.HealthCheck.Checks
 {
     [CheckOn(typeof(MovieUpdatedEvent))]
     [CheckOn(typeof(MoviesDeletedEvent), CheckOnCondition.FailedOnly)]
-    public class RemovedSeriesCheck : HealthCheckBase, ICheckOnCondition<MovieUpdatedEvent>, ICheckOnCondition<MoviesDeletedEvent>
+    public class RemovedMovieCheck : HealthCheckBase, ICheckOnCondition<MovieUpdatedEvent>, ICheckOnCondition<MoviesDeletedEvent>
     {
         private readonly IMovieService _movieService;
 
-        public RemovedSeriesCheck(IMovieService movieService)
+        public RemovedMovieCheck(IMovieService movieService, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _movieService = movieService;
         }
@@ -29,10 +31,10 @@ public override HealthCheck Check()
 
             if (deletedMovie.Count == 1)
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Movie {0} was removed from TMDb", movieText), "#movie-was-removed-from-tmdb");
+                return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("RemovedMovieCheckSingleMessage"), movieText), "#movie-was-removed-from-tmdb");
             }
 
-            return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Movie {0} was removed from TMDb", movieText), "#movie-was-removed-from-tmdb");
+            return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("RemovedMovieCheckMultipleMessage"), movieText), "#movie-was-removed-from-tmdb");
         }
 
         public bool ShouldCheckOnEvent(MoviesDeletedEvent message)

src/NzbDrone.Core/HealthCheck/Checks/RootFolderCheck.cs

@@ -1,5 +1,6 @@
 using System.Linq;
 using NzbDrone.Common.Disk;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.MediaFiles.Events;
 using NzbDrone.Core.Movies;
 using NzbDrone.Core.Movies.Events;
@@ -17,7 +18,8 @@ public class RootFolderCheck : HealthCheckBase
         private readonly IDiskProvider _diskProvider;
         private readonly IRootFolderService _rootFolderService;
 
-        public RootFolderCheck(IMovieService movieService, IDiskProvider diskProvider, IRootFolderService rootFolderService)
+        public RootFolderCheck(IMovieService movieService, IDiskProvider diskProvider, IRootFolderService rootFolderService, ILocalizationService localizationService)
+            : base(localizationService)
         {
             _movieService = movieService;
             _diskProvider = diskProvider;
@@ -37,10 +39,10 @@ public override HealthCheck Check()
             {
                 if (missingRootFolders.Count == 1)
                 {
-                    return new HealthCheck(GetType(), HealthCheckResult.Error, "Missing root folder: " + missingRootFolders.First(), "#missing-root-folder");
+                    return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("RootFolderCheckSingleMessage"), missingRootFolders.First()), "#missing-root-folder");
                 }
 
-                var message = string.Format("Multiple root folders are missing: {0}", string.Join(" | ", missingRootFolders));
+                var message = string.Format(_localizationService.GetLocalizedString("RootFolderCheckMultipleMessage"), string.Join(" | ", missingRootFolders));
                 return new HealthCheck(GetType(), HealthCheckResult.Error, message, "#missing-root-folder");
             }
 

src/NzbDrone.Core/HealthCheck/Checks/UpdateCheck.cs

@@ -5,6 +5,7 @@
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Configuration.Events;
+using NzbDrone.Core.Localization;
 using NzbDrone.Core.Update;
 
 namespace NzbDrone.Core.HealthCheck.Checks
@@ -22,7 +23,9 @@ public UpdateCheck(IDiskProvider diskProvider,
                            IAppFolderInfo appFolderInfo,
                            ICheckUpdateService checkUpdateService,
                            IConfigFileProvider configFileProvider,
-                           IOsInfo osInfo)
+                           IOsInfo osInfo,
+                           ILocalizationService localizationService)
+            : base(localizationService)
         {
             _diskProvider = diskProvider;
             _appFolderInfo = appFolderInfo;
@@ -44,7 +47,7 @@ public override HealthCheck Check()
                 {
                     return new HealthCheck(GetType(),
                         HealthCheckResult.Error,
-                        string.Format("Cannot install update because startup folder '{0}' is in an App Translocation folder.", startupFolder),
+                        string.Format(_localizationService.GetLocalizedString("UpdateCheckStartupTranslocationMessage"), startupFolder),
                         "#cannot-install-update-because-startup-folder-is-in-an-app-translocation-folder.");
                 }
 
@@ -52,7 +55,7 @@ public override HealthCheck Check()
                 {
                     return new HealthCheck(GetType(),
                         HealthCheckResult.Error,
-                        string.Format("Cannot install update because startup folder '{0}' is not writable by the user '{1}'.", startupFolder, Environment.UserName),
+                        string.Format(_localizationService.GetLocalizedString("UpdateCheckStartupNotWritableMessage"), startupFolder, Environment.UserName),
                         "#cannot-install-update-because-startup-folder-is-not-writable-by-the-user");
                 }
 
@@ -60,7 +63,7 @@ public override HealthCheck Check()
                 {
                     return new HealthCheck(GetType(),
                         HealthCheckResult.Error,
-                        string.Format("Cannot install update because UI folder '{0}' is not writable by the user '{1}'.", uiFolder, Environment.UserName),
+                        string.Format(_localizationService.GetLocalizedString("UpdateCheckUINotWritableMessage"), uiFolder, Environment.UserName),
                         "#cannot-install-update-because-ui-folder-is-not-writable-by-the-user");
                 }
             }

src/NzbDrone.Core/HealthCheck/HealthCheckBase.cs

@@ -1,7 +1,15 @@
-namespace NzbDrone.Core.HealthCheck
+using NzbDrone.Core.Localization;
+
+namespace NzbDrone.Core.HealthCheck
 {
     public abstract class HealthCheckBase : IProvideHealthCheck
     {
+        public readonly ILocalizationService _localizationService;
+        public HealthCheckBase(ILocalizationService localizationService)
+        {
+            _localizationService = localizationService;
+        }
+
         public abstract HealthCheck Check();
 
         public virtual bool CheckOnStartup => true;