EDIT: The issue was caused by my SSD being formatted in exFAT, which doesn’t support symlinks. I backed up my SSD & reformatted it to btrfs, and then I could install .NET without hassle & the game runs!

Original Post:

I’m having an issue running this game on linux, every time I click play in Steam I get the following popup:

“you must install .NET desktop runtime to run this application”

Clicking “yes” takes me to download a Windows .exe which of course can’t run on linux. I manually installed the .NET runtime following linux instructions here: https://learn.microsoft.com/en-us/dotnet/core/install/linux-debian but the game still gives me this error.

Other things I’ve tried:

  • Reinstalling BG3
  • Completely deleting every file from steamapps/common for BG3 & reinstalling
  • Reinstalling Proton
  • Skipping the launcher
  • Tried with proton experimental, 9, 8, 7

My launch args are STEAM_COMPAT_DATA_PATH=/home/user/.local/share/Steam/steamapps/compatdata gamemoderun %command% --skip-launcher

On protondb everybody else seems to be running the game fine, but I don’t understand how to get past this error.

  • rowinxavier@lemmy.worldEnglish
    0·
    2 days ago

    When you need a component such as the .NET framework you can install it in Wine/Proton using the Windows installers. The .exe you are being recommended should be able to run, but the other way around it is to use something like protontricks, a proton version of winetricks (technically it uses winetricks and is more of a set of integrations and a GUI, but yeah). Using protontricks you can install the .NET framework, the C++ runtimes, dxvk, and other tools. I would recommend learning a little about how to use protontricks and maybe look for a few specific tutorials for using it with specific games to get a feel for it.

    • Jozzo@lemmy.worldOPEnglish
      0·
      2 days ago

      I see!

      I installed protontricks and read through the usage instructions

      I’ve done protontricks-launch --appid 1086940 /home/user/Downloads/windowsdesktop-runtime-6.0.35-win-x64.exe

      but it looks like it’s stuck?

      pressure-vessel-locale-gen: Missing locale en_US.UTF-8
pressure-vessel-locale-gen: Generating locale en_AU.UTF-8...
pressure-vessel-locale-gen: Generated locale en_AU.UTF-8 successfully
pressure-vessel-locale-gen: Generating locale en_US.UTF-8...
pressure-vessel-locale-gen: Generated locale en_US.UTF-8 successfully
pressure-vessel-adverb[101880]: W: Container startup will be faster if missing locales are created at OS level
0084:err:file:init_redirects /media/user/T7/Main/Games/SteamInstalled/steamapps/compatdata/1086940/pfx/dosdevices/c:/windows: No such file or directory

      Thank you for pointing me in the right direction, I’ve never used protontricks before

      Edit: using protontricks 1086940 dotnetdesktop7 seems to get past that point, but then I get another error

      protontricks (ERROR): Active compatibility tool was found, but it's not a Proton installation supported by Protontricks.
Proton installation could not be found!

      my proton is installed in a different steam library than BG3, could this cause issues?