Numerous players report a CSGO Crash after alt-tabbing or changing resolutions
https://cs2-crash-siteosdl239.ironwoodscope.com/posts/15-gifts-for-the-csgo-crash-site-lover-in-your-life
Many players report a CSGO Crash after alt-tabbing or changing resolutions. Repairs consist of setting fullscreen mode consistently, adjusting resolution back to native, and upgrading GPU drivers to decrease stability issues.