If you experience a similar alert:
Here is how you resolve it:
1. Go to:
“Computer” – “OS(C:)” – “Program Files(x86)” – “TrueCourse” – “MissionLoader”
(Click on the images to see a larger version)
2. Right Click on “MissionLoader.exe”:
3. Click on the “Compatibility” tab:
4. Click on “Run the program as administrator”:
5. Click “OK”