Wrong section,
>Try to uninstall then reinstall crossfire
>Use Ccleaner
>If you are using a hack try to open crossfire without a hack
>Tell us more about your OS. @Hero @Austin
Reinstall your graphic drivers or update them to the latest version.
You can reinstall crossfire using safemode
try running patcher_cf.exe (in C:\Program files\z8games\crossfire) as an admin
close any un-needed programs. uninstall cf completely then reinstall