Steam: Installation of Microsoft DirectX for Windows hangs


I know Biomutant, the Game in question here runs fine, already had it up and running with Manjaro.

Since the Last fresh install of system, when I try to run the Game from Steam, I am stuck with “First Time Setup: installing Microsoft DirectX for Windows” screen.

Just does not do anything there.
Other games, also using Proton, work perfectly fine, e.g. Cyberpunk, Control, Doom.

System is an AMD RX6800 and a R5 5600X
Kernel 5.12.x

Any Help ist appreciated

UPDATE: see print screen from Steam and sysinfo

Hello @Satansbraten :wink:

Check out this:

Mostly there are hints to run the game.

thanks, but this is not helping - I diod that already.
there are no tips foir this exact issue.

Try to delete the proton prefix (the whole folder) at


It should be recreated on the next start. Maybe there is an Issue.

Also try to force a different Proton Version, maybe there is a problem?


Kernel 5.12 is EOL so please install both 5.4 and 5.10 LTS (Long Term Support) and see which one of the two troubles you least.


Oopsi! Will do so ASAP

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