diff --git a/EU07.cpp b/EU07.cpp
index b50c1d7f..3ecdd934 100644
--- a/EU07.cpp
+++ b/EU07.cpp
@@ -371,6 +371,9 @@ int main(int argc, char *argv[])
 	catch (std::runtime_error e)
 	{
         ErrorLog(e.what());
+#ifdef _WIN32
+		MessageBox(NULL, e.what(), "MaSzyna", MB_OK);
+#endif
 		return -1;
 	}
 
@@ -406,6 +409,9 @@ int main(int argc, char *argv[])
 	catch (std::runtime_error e)
     {
     	ErrorLog(e.what());
+#ifdef _WIN32
+		MessageBox(NULL, e.what(), "MaSzyna", MB_OK);
+#endif
 		return -1;
 	}
 	catch( std::bad_alloc const &Error ) {
diff --git a/lua.cpp b/lua.cpp
index 3315f07f..7565a335 100644
--- a/lua.cpp
+++ b/lua.cpp
@@ -43,7 +43,11 @@ void lua::interpret(std::string file)
 
 int lua::atpanic(lua_State *s)
 {
-    ErrorLog(std::string(lua_tostring(s, -1)));
+	std::string err(lua_tostring(s, -1));
+    ErrorLog(err);
+#ifdef _WIN32
+        MessageBox(NULL, err.c_str(), "MaSzyna", MB_OK);
+#endif
     return 0;
 }