Championship Manager 3
From PCGamingWiki, the wiki about fixing PC games
Issues And Fixes
Compatibility
Out of memory/unable to start or load games
Running the game on Windows XP or newer can cause the errors 'There is not enough available system memory to restore the game' or 'There is not enough available system memory to create the game.' This can be fixed by right-clicking on the shortcut icon or .exe, opening Properties and setting the game to run in Windows 98 compatiblity mode from the Compatibility tab.