Vice City was built for CPUs that ran at 1.5 GHz. Your modern 5 GHz CPU terrifies the game engine.

This is the most frequent fix. Windows blocks the game's old code execution as a security risk. Control Panel System and Security Advanced system settings Performance and go to the Data Execution Prevention

This is the most common fix. DEP often blocks the game's executable because it misinterprets its memory usage as a security threat. Open the and type Advanced system settings . Under the Performance section, click Settings . Navigate to the Data Execution Prevention tab.

How to Fix the GTA Vice City “Unhandled Exception c0000005” Error

Click , navigate to your GTA Vice City folder, and select gta-vc.exe . Apply and restart your PC. 3. Clear the Settings File (gta_vc.set)

The most frequent cause is DEP blocking the game from executing code in protected memory regions.

The "OK" button on the screen clicked itself.