diff --git a/common/include/PS2Eext.h b/common/include/PS2Eext.h
index e6d6fedcb5..c7df9db28c 100644
--- a/common/include/PS2Eext.h
+++ b/common/include/PS2Eext.h
@@ -146,7 +146,9 @@ struct PluginConf
         int value = defval;
         std::string buf = item + " = %d\n";
 
-        if (ConfFile) fscanf(ConfFile, buf.c_str(), &value);
+        if (ConfFile)
+			if (fscanf(ConfFile, buf.c_str(), &value) < 0)
+				SysMessage("Somethings got wrong when option was read\n");
 
         return value;
     }
diff --git a/plugins/GSdx/GS.cpp b/plugins/GSdx/GS.cpp
index a4c90a443a..b7fae89a0b 100644
--- a/plugins/GSdx/GS.cpp
+++ b/plugins/GSdx/GS.cpp
@@ -1415,6 +1415,18 @@ inline unsigned long timeGetTime()
 	return (unsigned long)(t.time*1000 + t.millitm);
 }
 
+void _fread(void *ptr, size_t size, size_t nmemb, FILE *stream)
+{
+	static uint32 read_cnt = 0;
+	read_cnt++;
+
+	size_t result = fread(ptr, size, nmemb, stream);
+	if (result != nmemb) {
+		fprintf(stderr, "Read error\n");
+		exit(read_cnt);
+	}
+}
+
 // Note
 EXPORT_C GSReplay(char* lpszCmdLine, int renderer)
 {
@@ -1471,17 +1483,17 @@ EXPORT_C GSReplay(char* lpszCmdLine, int renderer)
 		if (s_gs->m_wnd == NULL) return;
 
 		uint32 crc;
-		fread(&crc, 4, 1, fp);
+		_fread(&crc, 4, 1, fp);
 		GSsetGameCRC(crc, 0);
 
 		GSFreezeData fd;
-		fread(&fd.size, 4, 1, fp);
+		_fread(&fd.size, 4, 1, fp);
 		fd.data = new uint8[fd.size];
-		fread(fd.data, fd.size, 1, fp);
+		_fread(fd.data, fd.size, 1, fp);
 		GSfreeze(FREEZE_LOAD, &fd);
 		delete [] fd.data;
 
-		fread(regs, 0x2000, 1, fp);
+		_fread(regs, 0x2000, 1, fp);
 
 		GSvsync(1);
 
@@ -1503,20 +1515,20 @@ EXPORT_C GSReplay(char* lpszCmdLine, int renderer)
 
 				p->param = (uint8)fgetc(fp);
 
-				fread(&p->size, 4, 1, fp);
+				_fread(&p->size, 4, 1, fp);
 
 				switch(p->param)
 				{
 				case 0:
 					p->buff.resize(0x4000);
 					p->addr = 0x4000 - p->size;
-					fread(&p->buff[p->addr], p->size, 1, fp);
+					_fread(&p->buff[p->addr], p->size, 1, fp);
 					break;
 				case 1:
 				case 2:
 				case 3:
 					p->buff.resize(p->size);
-					fread(&p->buff[0], p->size, 1, fp);
+					_fread(&p->buff[0], p->size, 1, fp);
 					break;
 				}
 
@@ -1530,7 +1542,7 @@ EXPORT_C GSReplay(char* lpszCmdLine, int renderer)
 
 			case 2:
 
-				fread(&p->size, 4, 1, fp);
+				_fread(&p->size, 4, 1, fp);
 
 				break;
 
@@ -1538,7 +1550,7 @@ EXPORT_C GSReplay(char* lpszCmdLine, int renderer)
 
 				p->buff.resize(0x2000);
 
-				fread(&p->buff[0], 0x2000, 1, fp);
+				_fread(&p->buff[0], 0x2000, 1, fp);
 
 				break;
 			}
diff --git a/plugins/GSdx/GSThread.h b/plugins/GSdx/GSThread.h
index 0ad7b04a62..03faadee74 100644
--- a/plugins/GSdx/GSThread.h
+++ b/plugins/GSdx/GSThread.h
@@ -228,7 +228,7 @@ public:
 	}
 
 	void Set() {pthread_cond_signal(&m_cv);}
-	bool Wait(IGSLock* l) {pthread_cond_wait(&m_cv, *(GSCondVarLock*)l) == 0; return true;}
+	bool Wait(IGSLock* l) {return pthread_cond_wait(&m_cv, *(GSCondVarLock*)l) == 0;}
 
 	operator pthread_cond_t* () {return &m_cv;}
 };
diff --git a/plugins/zzogl-pg/opengl/GSmain.cpp b/plugins/zzogl-pg/opengl/GSmain.cpp
index 99267c99a2..f282c4ca89 100644
--- a/plugins/zzogl-pg/opengl/GSmain.cpp
+++ b/plugins/zzogl-pg/opengl/GSmain.cpp
@@ -642,6 +642,17 @@ EXPORT_C_(s32) GSfreeze(int mode, freezeData *data)
 }
 
 #ifdef __LINUX__
+void _fread(void *ptr, size_t size, size_t nmemb, FILE *stream)
+{
+	static uint32 read_cnt = 0;
+	read_cnt++;
+
+	size_t result = fread(ptr, size, nmemb, stream);
+	if (result != nmemb) {
+		fprintf(stderr, "Read error\n");
+		exit(read_cnt);
+	}
+}
 
 struct Packet 
 {
@@ -664,21 +675,21 @@ EXPORT_C_(void) GSReplay(char* lpszCmdLine)
 
 		void* hWnd = NULL;
 
-		//_GSopen((void**)&hWnd, "", renderer);
-		GSopen((void**)&hWnd, "", 0);
+		const char* title = "replayer";
+		GSopen((void**)&hWnd, (char*)title, 0);
 
 		u32 crc;
-		fread(&crc, 4, 1, fp);
+		_fread(&crc, 4, 1, fp);
 		GSsetGameCRC(crc, 0);
 
 		freezeData fd;
-		fread(&fd.size, 4, 1, fp);
+		_fread(&fd.size, 4, 1, fp);
 		fd.data = new s8[fd.size];
-		fread(fd.data, fd.size, 1, fp);
+		_fread(fd.data, fd.size, 1, fp);
 		GSfreeze(FREEZE_LOAD, &fd);
 		delete [] fd.data;
 
-		fread(regs, 0x2000, 1, fp);
+		_fread(regs, 0x2000, 1, fp);
 
 		GSvsync(1);
 
@@ -698,8 +709,8 @@ EXPORT_C_(void) GSReplay(char* lpszCmdLine)
 
 				p->param = (u8)fgetc(fp);
 
-				fread(&p->size, 4, 1, fp);
-				fread(&p->real_size, 4, 1, fp);
+				_fread(&p->size, 4, 1, fp);
+				_fread(&p->real_size, 4, 1, fp);
 
 				switch(p->param)
 				{
@@ -707,13 +718,13 @@ EXPORT_C_(void) GSReplay(char* lpszCmdLine)
 					p->buff.resize(0x4000);
 					//p->addr = 0x4000 - p->size;
 					//fread(&p->buff[p->addr], p->size, 1, fp);
-					fread(&p->buff[0], p->size, 1, fp);
+					_fread(&p->buff[0], p->size, 1, fp);
 					break;
 				case 1:
 				case 2:
 				case 3:
 					p->buff.resize(p->size);
-					fread(&p->buff[0], p->size, 1, fp);
+					_fread(&p->buff[0], p->size, 1, fp);
 					break;
 				}
 
@@ -721,14 +732,14 @@ EXPORT_C_(void) GSReplay(char* lpszCmdLine)
 
 			case 1:
 
-				fread(&p->param, 4, 1, fp);
+				_fread(&p->param, 4, 1, fp);
 				//p->param = (u8)fgetc(fp);
 
 				break;
 
 			case 2:
 
-				fread(&p->size, 4, 1, fp);
+				_fread(&p->size, 4, 1, fp);
 
 				break;
 
@@ -736,7 +747,7 @@ EXPORT_C_(void) GSReplay(char* lpszCmdLine)
 
 				p->buff.resize(0x2000);
 
-				fread(&p->buff[0], 0x2000, 1, fp);
+				_fread(&p->buff[0], 0x2000, 1, fp);
 
 				break;
 
diff --git a/plugins/zzogl-pg/opengl/Linux/Linux.cpp b/plugins/zzogl-pg/opengl/Linux/Linux.cpp
index 92b8e9553a..02db373943 100644
--- a/plugins/zzogl-pg/opengl/Linux/Linux.cpp
+++ b/plugins/zzogl-pg/opengl/Linux/Linux.cpp
@@ -435,7 +435,10 @@ void DisplayDialog()
 EXPORT_C_(void) GSconfigure()
 {
 	char strcurdir[256];
-	getcwd(strcurdir, 256);
+	if (getcwd(strcurdir, 256) == NULL) {
+		fprintf(stderr, "Failed to get current working directory\n");
+		return;
+	}
 
 	if (!(conf.loaded())) LoadConfig();
 
diff --git a/plugins/zzogl-pg/opengl/ZZoglCreate.cpp b/plugins/zzogl-pg/opengl/ZZoglCreate.cpp
index 38fa993fa1..3f9447d5f9 100644
--- a/plugins/zzogl-pg/opengl/ZZoglCreate.cpp
+++ b/plugins/zzogl-pg/opengl/ZZoglCreate.cpp
@@ -270,7 +270,9 @@ __forceinline bool LoadShadersFromDat()
 	size_t s = ftell(fres);
 	s_lpShaderResources = new u8[s+1];
 	fseek(fres, 0, SEEK_SET);
-	fread(s_lpShaderResources, s, 1, fres);
+	if (fread(s_lpShaderResources, s, 1, fres) == 0)
+		fprintf(stderr, "Failed to read ps2hw.dat. Corrupted file?\n");
+
 	s_lpShaderResources[s] = 0;
 	
 	return true;
diff --git a/plugins/zzogl-pg/opengl/ZZoglShaders.cpp b/plugins/zzogl-pg/opengl/ZZoglShaders.cpp
index cce839fab7..25e83d310d 100644
--- a/plugins/zzogl-pg/opengl/ZZoglShaders.cpp
+++ b/plugins/zzogl-pg/opengl/ZZoglShaders.cpp
@@ -221,7 +221,8 @@ bool ZZshCreateOpenShadersFile() {
 	size_t s = ftell(fres);
 	s_lpShaderResources = new u8[s+1];
 	fseek(fres, 0, SEEK_SET);
-	fread(s_lpShaderResources, s, 1, fres);
+	if (fread(s_lpShaderResources, s, 1, fres) == 0)
+			ZZLog::Error_Log("Cannot read ps2hw.dat in working directory.");
 	s_lpShaderResources[s] = 0;
 #	endif // _WIN32
 #else // NOT RELEASE_TO_PUBLIC