Hello @NyraHema, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to https://github.com/ValveSoftware/Proton/issues/9606#issuecomment-4145380025.
ge-proton10-34x1 2026-03proton experimentalx1 2026-03
Compatibility Report
System Information
I confirm:
Symptoms
After a few minutes of playing the game, it eventually after 4-5 minutes will stop and show the error
Attempted validation of game files, attempted switching to Proton Experimental, and attempted switching off and on again
Reproduction
Playing the game for a few minutes causes the error message to come up at which point the game closes when clicking OK.