For more detailed technical support or to find the latest data updates, the Championship Manager 01/02 Forums remain the primary hub for resolving these legacy "cpp" errors.
Important files like city.dat or euro.cfg may be missing or mismatched within your Data folder.
Set the compatibility to Windows XP (Service Pack 3) for Windows 10/11 users.
Some users find success by manually setting their Windows Paging file size to a custom value (e.g., 4096MB) to help the legacy engine manage memory.
Right-click cm0102.exe , go to Properties > Compatibility , and check "Run this program as an administrator" .