this post was submitted on 06 Oct 2025
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Steam Deck

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I tried to launch a game from Heroic on the Deck for the first time in a month or so and it's loading for a few seconds and then exiting.

  • Same from game mode or desktop
  • Same for different proton versions
  • Same for Epic, GOG, and Amazon games
  • Same after reinstalling a game
  • Other Steam and non-Steam games run fine

I've probably applied several updates since I last ran a game so no doubt a huge number of things have changed since the last good state. I can't see anyone else reporting similar issues so I know it's very optimistic from me, but does anyone have any suggestions? Even an idea of how to get some logs out would be useful!

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[โ€“] ClassyHatter@sopuli.xyz 8 points 1 month ago (1 children)

I had similar problem and the culprit was UMU launcher. Try deleting these files and see if it helps:

rm -rfv ~/.var/app/com.heroicgameslauncher.hgl/config/heroic/tools/runtimes/umu
rm -rfv ~/.local/share/umu

You could also check the log files at Settings-> Logs in case there are any helpful error messages.

[โ€“] smeg@feddit.uk 6 points 1 month ago

I think this has fixed it! You're a wizard!