Witcher 3 doesn’t boot up

I just installed heroic launcher for Witcher 3 on gog everything I try to boot it up it just crashes. I tried already tried changing proton versions any other things I can try ?“

https://0x0.st/XFmL.log
This is my log

CommandMC•12/13/24, 5:17 PM

Try running flatpak update && flatpak install --reinstall com.heroicgameslauncher.hglflatpak update && flatpak install --reinstall com.heroicgameslauncher.hgl, looks like your Flatpak dependencies are messed up

Proton 8 is also rather old now, you probably want to use latest GE-Proton, Proton 9.0, or Experimental

urgent-maroonOP•12/13/24, 5:35 PM

Thanks I will try that
I tried to use the newer version of proton but it still didn’t work

Bbrilliant-lime Try running `flatpak update && flatpak install --reinstall com.heroicgameslaunch...

urgent-maroonOP•12/13/24, 8:04 PM

One more question how do I do the
flatpak update && flatpak install --reinstall com.heroicgameslauncher.hglflatpak update && flatpak install --reinstall com.heroicgameslauncher.hgl

nursing-lime•12/13/24, 8:24 PM

copy and paste that into a terminal window and press enter

urgent-maroonOP•12/13/24, 8:50 PM

Hm I tried that it sadly still doesn’t work

I think I might have to buy it again on steam

CommandMC•12/13/24, 8:53 PM

A little more endurance, please

Could you send in a new log?

urgent-maroonOP•12/13/24, 9:33 PM

If gives me an error now if I try to upload the log, so I gotta upload the file

urgent-maroonOP•12/13/24, 9:33 PM

1495134320-lastPlay.log3.3KB

CommandMC•12/13/24, 9:36 PM

Please try the following:

Download the latest version of GE-Proton (using Heroic's "Wine Manager")
Enable UMU in the settings ("Settings" in sidebar -> "Advanced" -> scroll down and tick "Use UMU as Proton runtime")
Select GE-Proton as your Wine Version to use for this game (settings icon on game card / game page -> "Wine Version" dropdown)
Delete your Wineprefix (/home/deck/Games/Heroic/Prefixes/default/The Witcher 3 Wild Hunt - Complete Edition/home/deck/Games/Heroic/Prefixes/default/The Witcher 3 Wild Hunt - Complete Edition, simply delete the folder on your filesystem)
Re-run the game

urgent-maroonOP•12/13/24, 9:51 PM

I think it works now thank you so much

urgent-maroonOP•12/13/24, 10:27 PM

Is there a reason why I only am able to launch through desktop mode ?

CommandMC•12/13/24, 10:27 PM

Did you add the game to Steam using Heroic's built-in "Add to Steam" feature?

urgent-maroonOP•12/13/24, 10:36 PM

Yeah I did that the first time, do I need to do it again after the fix ?

CommandMC•12/13/24, 10:42 PM

No, that's fine

You could try turning umu off again, although that has a chance of it breaking the game again
The issue about umu not working in Gaming Mode is apparently known (wasn't known to me, can't reproduce it myself). I expect it to be resolved soon

urgent-maroonOP•12/13/24, 10:45 PM

Oh okay thanks

nursing-lime•12/13/24, 11:13 PM

Another common reason is that people may instinctively force Proton on the Steam side

Witcher 3 doesn’t boot up

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