If you let me know of Mafia you're trying to run and what specific error you're seeing, I can help you find a safe technical solution.

: Cracked versions cannot be updated, meaning you miss out on official bug fixes and performance improvements provided by the developers. Safe Ways to Play Mafia

: Offers DRM-free versions of the classic Mafia, which are guaranteed to work on modern hardware without needing "fixes."

Instead of risking your PC’s security, you can often find the series at significant discounts on legitimate platforms:

: Another reliable source for the Definitive Editions of the franchise. Troubleshooting Official Versions

: Use the "Verify Integrity" tool in Steam or GOG Galaxy to repair corrupted data.

: Right-click the game's .exe file, go to Properties > Compatibility , and run it as an administrator or in Windows 7 mode.

If you are having trouble running a legitimate copy of the game, try these steps instead: