Backup your original save files to a safe folder on your desktop.
Some versions of Project I.G.I. store campaign progression data directly within the Windows Registry rather than local text files. If editing the game files did not work, installing an automatic registry unlock key will fix the issue. How to Apply the Registry Fix:
Look for a folder named pc or directly locate the main configuration files in the root directory, depending on your game version.
90%/109)
