files on abandonware sites, the easiest "patch" is actually the GOG (Good Old Games)
This is the modern standard for running the game. It includes fixes for missing menu text and avoids the need for a physical CD. You can find installation instructions on the dxwrapper Wiki . Gangsters Organized Crime No Cd Patch
If using an Nvidia card, for this specific game to prevent black screens or crashes. Alternative: Digital Versions Gangsters Organized Crime wont start on Win 11 x64. #328 files on abandonware sites, the easiest "patch" is
If you are using an original physical copy and need to bypass the disk check specifically: Version 1.4 : You generally need the Gangsters v1.4 US/UK NoCD Patch . This involves replacing the original gangsters.exe files on abandonware sites