Compatibility Report

• Name of the game with compatibility issues: HELLDIVERS 2
• Steam AppID of the game: 553850

System Information

• GPU: NVIDIA GeForce RTX 4060 Ti (16GB)
• Video driver version: NVIDIA Proprietary Driver (Latest)
• Kernel version: Linux 7.0.9-200.nobara
• Link to full system information report as Gist:
• Proton version: Proton 10.0-4

I confirm:

• [x] that I haven't found an existing compatibility report for this game.
• [x] that I have checked whether there are updates for my system available.

Symptoms

The game currently fails to launch on standard Proton versions (including Proton 10.0-4 and Proton Experimental) and instantly crashes. It currently only works when forcing Proton Hotfix.

The attached log shows a display settings initialization failure (Failed to initialize registry display settings for DISPLAY1) followed by a fatal RPC_S_SERVER_UNAVAILABLE (6ba) exception during the window creation phase.

Reproduction

1. Set the game's compatibility tool to Proton 10.0-4 or Proton Experimental.
2. Launch HELLDIVERS 2 from Steam.
3. Observe the immediate crash before the game window initializes.
4. Switch to Proton Hotfix -> The game launches successfully.

steam-553850.log