1. Right click on the game exe file and "Run as Administrator"
2. Right click on the game exe file and "Troubleshoot compatibility". Then select the Windows version. Try with all given options.
3. Download and install Windows XP Mode from Microsoft Site. It's actualy Microsoft Virtual PC with Windows XP Pre-installed VM. In that you can install games and play from Windows 7
. No need to run Virtual PC to play the games.