Cannot open shader file -rez\Shader\legacyshader.fxo

Virusot101

Hello guys,from few hours a go i get this error " Cannot open shader file -rez\Shader\legacyshader.fxo.
Sometimes cf work but i dont hear nades,kills etc and sometimes cf just crash and i only see cf report or something like that.Can anybody help me with this issue?

Ty

Stylelove102

-Virusot101 that is no problem !!! You can try click OK and plays ^_^
-You can't hear sounds nades or kills !!! Somtimes you making or delete files please uninstall games and try install again ^_^
-Crash ...........try loggin agains !!! don't worry ^_^
-Finals:how long times you playing CF ??? You an kid???