Try the following:
- Delete Log folder (in cf folder)
- Delete HGWC folder (in cf folder)
- Delete Report folder (if there is) (in cf folder)
- MAke sure no hacks are on
- Run patcher_cf.exe as an admin (in cf folder)
- Use https://www.mpgh.net/forum/290-crossf...es-extras.html
- Try using gamebooster 3
- Do not run any programs in the background
- All not working? -> Delete z8games folder -> re-install CF
Hope this'll fix it