Many common hard drive or OS problems on a Mac can be resolved by running Repair Disk.
Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.
Damaged windows system files can cause a variety of issues playing games, and should be repaired to prevent problems.
Decryption key is invalid or missing. Please uninstall and reinstall.
Decryption key is invalid or missing. Please uninstall and reinstall.