diff --git a/rpcs3/Emu/HDD/HDD.h b/rpcs3/Emu/HDD/HDD.h
index c403df21f5..ba7c86e0ed 100644
--- a/rpcs3/Emu/HDD/HDD.h
+++ b/rpcs3/Emu/HDD/HDD.h
@@ -583,13 +583,12 @@ public:
 		}
 
 		u64 new_block = FindFreeBlock();
-
-		ConLog.Write("CREATION ENTRY AT 0x%llx", new_block);
 		if(!new_block)
 		{
 			return false;
 		}
 
+		ConLog.Write("CREATING ENTRY AT 0x%llx", new_block);
 		WriteBlock(new_block, g_used_block);
 
 		{
@@ -739,7 +738,7 @@ public:
 			return false;
 		}
 
-		ConLog.Write("ENTRY FINDED AT 0x%llx", file_block);
+		ConLog.Write("ENTRY FOUND AT 0x%llx", file_block);
 		m_file.Open(file_block);
 
 		return vfsFileBase::Open(path, mode);
@@ -769,7 +768,7 @@ public:
 
 			if(entry.type == vfsHDD_Entry_Dir && name != "." && name != "..")
 			{
-				ConLog.Warning("removing sub folder '%s'", name.wx_str());
+				ConLog.Warning("Removing sub folder '%s'", name.wx_str());
 				RemoveBlocksDir(entry.data_block);
 			}
 			else if(entry.type == vfsHDD_Entry_File)
diff --git a/rpcs3/Emu/SysCalls/Modules/cellAdec.cpp b/rpcs3/Emu/SysCalls/Modules/cellAdec.cpp
index fec5d753be..9c7b4e8a59 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellAdec.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellAdec.cpp
@@ -30,7 +30,7 @@ next:
 		{
 			if (Emu.IsStopped())
 			{
-				ConLog.Warning("adecRead() aborted");
+				ConLog.Warning("adecRawRead() aborted");
 				return 0;
 			}
 			Sleep(1);
@@ -47,7 +47,7 @@ next:
 			{
 				if (!Memory.CopyToReal(buf, adec.reader.addr, adec.reader.size))
 				{
-					ConLog.Error("adecRead: data reading failed (reader.size=0x%x)", adec.reader.size);
+					ConLog.Error("adecRawRead: data reading failed (reader.size=0x%x)", adec.reader.size);
 					Emu.Pause();
 					return 0;
 				}
@@ -68,7 +68,7 @@ next:
 			}
 			break;
 		default:
-			ConLog.Error("adecRead(): sequence error (task %d)", adec.job.Peek().type);
+			ConLog.Error("adecRawRead(): sequence error (task %d)", adec.job.Peek().type);
 			return -1;
 		}
 
@@ -85,7 +85,7 @@ next:
 	}
 	else if (!Memory.CopyToReal(buf, adec.reader.addr, buf_size))
 	{
-		ConLog.Error("adecRead: data reading failed (buf_size=0x%x)", buf_size);
+		ConLog.Error("adecRawRead: data reading failed (buf_size=0x%x)", buf_size);
 		Emu.Pause();
 		return 0;
 	}
diff --git a/rpcs3/Emu/SysCalls/Modules/cellGcmSys.cpp b/rpcs3/Emu/SysCalls/Modules/cellGcmSys.cpp
index 877075b86f..d90e4a3705 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellGcmSys.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellGcmSys.cpp
@@ -701,7 +701,7 @@ int32_t cellGcmMapLocalMemory(u64 address, u64 size)
 	}
 	else
 	{
-		printf("RSX local memory already mapped");
+		cellGcmSys.Error("RSX local memory already mapped");
 		return CELL_GCM_ERROR_FAILURE;
 	}
 
diff --git a/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp b/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp
index a76a583acc..f37f2f1723 100644
--- a/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp
@@ -50,9 +50,10 @@ int sdata_unpack(wxString packed_file, wxString unpacked_file)
 
 	char buffer [10200];
 	packed_stream->Read(buffer, 256);
-	if (re32(*(u32*)&buffer[0]) != 0x4E504400) // "NPD\x00"
+	u32 format = re32(*(u32*)&buffer[0]);
+	if (format != 0x4E504400) // "NPD\x00"
 	{
-		printf("ERROR: illegal format.");
+		sys_fs.Error("Illegal format. Expected 0x4E504400, but got 0x%08x", format);
 		return CELL_EFSSPECIFIC;
 	}