diff --git a/include/MUtils/Exception.h b/include/MUtils/Exception.h
index a9b256d..1ece717 100644
--- a/include/MUtils/Exception.h
+++ b/include/MUtils/Exception.h
@@ -55,3 +55,11 @@ while(0)
 	throw std::runtime_error((MESSAGE)); \
 } \
 while(0)
+
+#define MUTILS_THROW_FMT(MESSAGE, ...) do \
+{ \
+	char _message[256]; \
+	_snprintf_s(_message, 256, _TRUNCATE, (MESSAGE), __VA_ARGS__); \
+	throw std::runtime_error(_message); \
+} \
+while(0)
diff --git a/include/MUtils/Global.h b/include/MUtils/Global.h
index f44cec3..16029ca 100644
--- a/include/MUtils/Global.h
+++ b/include/MUtils/Global.h
@@ -101,25 +101,12 @@ namespace MUtils
 
 ///////////////////////////////////////////////////////////////////////////////
 
-#define MUTILS_DELETE(PTR) do \
-{ \
-	if((PTR)) \
-	{ \
-		delete (PTR); \
-		(PTR) = NULL; \
-	} \
-} \
-while(0)
+//Delete helper
+#define MUTILS_DELETE(PTR) do { if((PTR)) { delete (PTR); (PTR) = NULL; } } while(0)
+#define MUTILS_DELETE_ARRAY(PTR) do { if((PTR)) { delete [] (PTR); (PTR) = NULL; } } while(0)
 
-#define MUTILS_DELETE_ARRAY(PTR) do \
-{ \
-	if((PTR)) \
-	{ \
-		delete [] (PTR); \
-		(PTR) = NULL; \
-	} \
-} \
-while(0)
+//Zero memory
+#define MUTILS_ZERO_MEMORY(PTR) memset(&(PTR), 0, sizeof((PTR)))
 
 //String conversion macros
 #define MUTILS_WCHR(STR) (reinterpret_cast<const wchar_t*>((STR).utf16()))
diff --git a/include/MUtils/OSSupport.h b/include/MUtils/OSSupport.h
index 1cd5498..f6c8a8c 100644
--- a/include/MUtils/OSSupport.h
+++ b/include/MUtils/OSSupport.h
@@ -123,6 +123,12 @@ namespace MUtils
 		//Message handler
 		MUTILS_API bool handle_os_message(const void *const message, long *result);
 
+		//Sleep
+		MUTILS_API void sleep_ms(const size_t &duration);
+
+		//Check if debugger is present
+		MUTILS_API void check_debugger(void);
+
 		//Error handling
 		MUTILS_API void fatal_exit(const wchar_t* const errorMessage);
 	}
diff --git a/src/OSSupport_Win32.cpp b/src/OSSupport_Win32.cpp
index 46dd086..b31adda 100644
--- a/src/OSSupport_Win32.cpp
+++ b/src/OSSupport_Win32.cpp
@@ -609,6 +609,59 @@ bool MUtils::OS::handle_os_message(const void *const message, long *result)
 	}
 }
 
+///////////////////////////////////////////////////////////////////////////////
+// SLEEP
+///////////////////////////////////////////////////////////////////////////////
+
+void MUtils::OS::sleep_ms(const size_t &duration)
+{
+	Sleep((DWORD) duration);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// DEBUGGER CHECK
+///////////////////////////////////////////////////////////////////////////////
+
+#if (!(MUTILS_DEBUG))
+static __forceinline bool is_debugger_present(void)
+{
+	__try
+	{
+		CloseHandle((HANDLE)((DWORD_PTR)-3));
+	}
+	__except(1)
+	{
+		return true;
+	}
+
+	BOOL bHaveDebugger = FALSE;
+	if(CheckRemoteDebuggerPresent(GetCurrentProcess(), &bHaveDebugger))
+	{
+		if(bHaveDebugger) return true;
+	}
+
+	return IsDebuggerPresent();
+}
+static __forceinline bool check_debugger_helper(void)
+{
+	if(is_debugger_present())
+	{
+		MUtils::OS::fatal_exit(L"Not a debug build. Please unload debugger and try again!");
+		return true;
+	}
+	return false;
+}
+#else
+#define check_debugger_helper() (false)
+#endif
+
+void MUtils::OS::check_debugger(void)
+{
+	check_debugger_helper();
+}
+
+static volatile bool g_debug_check = check_debugger_helper();
+
 ///////////////////////////////////////////////////////////////////////////////
 // FATAL EXIT
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/Startup.cpp b/src/Startup.cpp
index 5d64585..16da7a4 100644
--- a/src/Startup.cpp
+++ b/src/Startup.cpp
@@ -104,6 +104,7 @@ int MUtils::Startup::startup(int &argc, char **argv, main_function_t *const entr
 	__try
 	{
 		MUtils::ErrorHandler::initialize();
+		MUtils::OS::check_debugger();
 		iResult = startup_helper(argc, argv, entry_point);
 	}
 	__except(1)
@@ -113,6 +114,7 @@ int MUtils::Startup::startup(int &argc, char **argv, main_function_t *const entr
 	}
 #else //_MSCVER
 	MUtils::ErrorHandler::initialize();
+	MUtils::OS::check_debugger();
 	iResult = startup_helper(argc, argv, entry_point);
 #endif //_MSCVER
 #endif //MUTILS_DEBUG