diff --git a/commdll/Include/VisionUnitResult.h b/commdll/Include/VisionUnitResult.h
index 9a79e2c..be862e9 100644
--- a/commdll/Include/VisionUnitResult.h
+++ b/commdll/Include/VisionUnitResult.h
@@ -97,7 +97,7 @@ private:
 	bool m_bResultValid;  // To indicate Valid result (Eg.: Partial Inspection)
 	std::string m_strResultCode;
 
-	CVisionResult **m_pVisionResult;
+	std::vector<std::vector<CVisionResult>> m_pVisionResult;  // GxLx
 
 	// For Intel MARKTRAYMAP / PMI PCS validation
 	int m_nHostAck;
diff --git a/dll/commdll.dll b/dll/commdll.dll
index 53b427a..faa84a2 100644
Binary files a/dll/commdll.dll and b/dll/commdll.dll differ
diff --git a/dll/commdllD.dll b/dll/commdllD.dll
index fb450cd..b6ce311 100644
Binary files a/dll/commdllD.dll and b/dll/commdllD.dll differ
diff --git a/dll/iodll.dll b/dll/iodll.dll
index c201189..ef958b2 100644
Binary files a/dll/iodll.dll and b/dll/iodll.dll differ
diff --git a/dll/iodllD.dll b/dll/iodllD.dll
index b862211..c4aa9a9 100644
Binary files a/dll/iodllD.dll and b/dll/iodllD.dll differ
diff --git a/dll/mcctrdll.dll b/dll/mcctrdll.dll
index 5434f9f..a5d56b8 100644
Binary files a/dll/mcctrdll.dll and b/dll/mcctrdll.dll differ
diff --git a/dll/mcctrdllD.dll b/dll/mcctrdllD.dll
index 808d71f..7e953b2 100644
Binary files a/dll/mcctrdllD.dll and b/dll/mcctrdllD.dll differ
diff --git a/dll/secsgemdll.dll b/dll/secsgemdll.dll
index 5575c94..0d915d5 100644
Binary files a/dll/secsgemdll.dll and b/dll/secsgemdll.dll differ
diff --git a/dll/secsgemdllD.dll b/dll/secsgemdllD.dll
index 4086239..a134496 100644
Binary files a/dll/secsgemdllD.dll and b/dll/secsgemdllD.dll differ
diff --git a/dll/utility.dll b/dll/utility.dll
index 2479018..a84b443 100644
Binary files a/dll/utility.dll and b/dll/utility.dll differ
diff --git a/dll/utilityD.dll b/dll/utilityD.dll
index 18ffc76..4b6b656 100644
Binary files a/dll/utilityD.dll and b/dll/utilityD.dll differ
diff --git a/utility/Include/DebugLog.h b/utility/Include/DebugLog.h
index 8de34b9..cb98b18 100644
--- a/utility/Include/DebugLog.h
+++ b/utility/Include/DebugLog.h
@@ -19,26 +19,26 @@ extern UTILITYDLL CLegacyGuiEventLog    mitechGuiEventLog;
 #include "LogManager.h"
 
 using namespace mitech::utils::logging;
-extern UTILITYDLL CLogManager logManager;
+
 #endif
 
 //
 template <typename... Args>
 void TraceLog(fmt::format_string<Args...> _fmt, Args&&... args)
 {
-    logManager.GetLogger(eLOGGER::DEBUG_LOG).Trace(_fmt, args...);
+    CLoggerManagerSingleton::Instance().LoggerManager().GetLogger(eLOGGER::DEBUG_LOG).Trace(_fmt, args...);
 }
 
 template <typename... Args>
 void InfoLog(fmt::format_string<Args...> _fmt, Args&&... args)
 {
-    logManager.GetLogger(eLOGGER::DEBUG_LOG).Info(_fmt, args...);
+    CLoggerManagerSingleton::Instance().LoggerManager().GetLogger(eLOGGER::DEBUG_LOG).Info(_fmt, args...);
 }
 
 template <typename... Args>
 void DebugLog(fmt::format_string<Args...> _fmt, Args&&... args)
 {
-    logManager.GetLogger(eLOGGER::DEBUG_LOG).Log(_fmt, args...);
+    CLoggerManagerSingleton::Instance().LoggerManager().GetLogger(eLOGGER::DEBUG_LOG).Log(_fmt, args...);
 }
 
 template <typename... Args>
@@ -46,7 +46,7 @@ void DebugLogTrace(bool bTraceData, fmt::format_string<Args...> _fmt, Args&&...
 {
     if (bTraceData)
     {
-        logManager.GetLogger(eLOGGER::DEBUG_LOG).Log(_fmt, args...);
+        CLoggerManagerSingleton::Instance().LoggerManager().GetLogger(eLOGGER::DEBUG_LOG).Log(_fmt, args...);
     }
 }
 
@@ -55,14 +55,14 @@ void DebugLogError(bool bTraceData, fmt::format_string<Args...> _fmt, Args&&...
 {
     if (bTraceData)
     {
-        logManager.GetLogger(eLOGGER::DEBUG_LOG).Error(_fmt, args...);
+        CLoggerManagerSingleton::Instance().LoggerManager().GetLogger(eLOGGER::DEBUG_LOG).Error(_fmt, args...);
     }
 }
 
 template <typename... Args>
 void DebugLogTiming(fmt::format_string<Args...> _fmt, Args&&... args)
 {
-    logManager.GetLogger(eLOGGER::DEBUG_TIMING_LOG).Log(_fmt, args...);
+    CLoggerManagerSingleton::Instance().LoggerManager().GetLogger(eLOGGER::DEBUG_TIMING_LOG).Log(_fmt, args...);
 }
 
 template <typename... Args>
@@ -70,14 +70,14 @@ void DebugLogTimingTrace(bool bTraceData, fmt::format_string<Args...> _fmt, Args
 {
     if (bTraceData)
     {
-        logManager.GetLogger(eLOGGER::DEBUG_TIMING_LOG).Log(_fmt, args...);
+        CLoggerManagerSingleton::Instance().LoggerManager().GetLogger(eLOGGER::DEBUG_TIMING_LOG).Log(_fmt, args...);
     }
 }
 
 template <typename... Args>
 void GUIEventLog(fmt::format_string<Args...> _fmt, Args&&... args)
 {
-    logManager.GetLogger(eLOGGER::GUI_EVENT_LOG).Log(_fmt, args...);
+    CLoggerManagerSingleton::Instance().LoggerManager().GetLogger(eLOGGER::GUI_EVENT_LOG).Log(_fmt, args...);
 }
 
 std::shared_ptr<spdlog::logger> UTILITYDLL GetLogger(const std::string& strName);
diff --git a/utility/Include/LogManager.h b/utility/Include/LogManager.h
index b339ab8..95d96f2 100644
--- a/utility/Include/LogManager.h
+++ b/utility/Include/LogManager.h
@@ -3,6 +3,8 @@
 #include <array>
 #include <map>
 
+#include "DllDefines.h"
+
 #include "LogSettings.h"
 #include "Logger.h"
 
@@ -40,4 +42,35 @@ namespace mitech::utils::logging
         std::map<eLOGGER, stLogOption>              m_mapLoggerOption;
         std::map<eLOGGER, std::unique_ptr<CLogger>> m_mapLogger;
     };
+
+    //
+    class UTILITYDLL CLoggerManagerSingleton
+    {
+    public:
+        /*
+         * Disable copy constructor and assignment operators
+         */
+        class CLoggerManagerSingleton(const CLoggerManagerSingleton&)            = delete;
+        class CLoggerManagerSingleton& operator=(const CLoggerManagerSingleton&) = delete;
+
+        // accessor
+        static CLoggerManagerSingleton& Instance()
+        {
+            static CLoggerManagerSingleton _instance;
+
+            return _instance;
+        }
+
+        CLogManager& LoggerManager()
+        {
+            return m_loggerManager;
+        }
+
+    private:
+        // private ctor
+        CLoggerManagerSingleton()  = default;
+        ~CLoggerManagerSingleton() = default;
+
+        CLogManager m_loggerManager;
+    };
 }
diff --git a/utility/lib/utility.lib b/utility/lib/utility.lib
index 4d4f61a..5398561 100644
Binary files a/utility/lib/utility.lib and b/utility/lib/utility.lib differ
diff --git a/utility/lib/utilityD.lib b/utility/lib/utilityD.lib
index c3c4e3b..d3e358a 100644
Binary files a/utility/lib/utilityD.lib and b/utility/lib/utilityD.lib differ