unknown error keeps crashing steam and shutting off game

hi can someone help me with this error ect

every time i start up and try to play single player or even a server it gets half way through and shutsdown with no error files and crashes steam. i have uninstalled it 3 times and re istalled it aswell and still happens and i dont no what the error is or anything i dont have no mindump files either so can someone help me please thank you.

please someone help me fix this

Wrong section post your problem in the help & support section and i’ll be happy to help you ! : D