Steam client version (build number or date): Date - Mar 5 2022; Version - 1646446125
Distribution : Debian 11
Opted into Steam client beta?: No
Have you checked for system updates?: Yes
Please describe your issue in as much detail as possible:
I was playing some War Thunder and the game didn't started properly, I wanted to close it using the close button from my library.
I got this pop-up window:
Your system information
Please describe your issue in as much detail as possible:
I was playing some War Thunder and the game didn't started properly, I wanted to close it using the close button from my library.

I got this pop-up window:
Steps for reproducing this issue:
I am not sure if this is random or no.
EDIT
It isnt random, it appeared again!