Many players report a CSGO Crash after alt-tabbing or changing resolutions
https://cs2-crash-sitesusz474.westhavenscope.com/posts/15-reasons-to-love-csgo-crash
Many gamers report a CSGO Crash after alt-tabbing or altering resolutions. Fixes consist of setting fullscreen mode consistently, adjusting resolution back to native, and upgrading GPU drivers to decrease stability issues.