Hello @Abdulrahman-wada, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to https://github.com/ValveSoftware/Proton/issues/9883#issuecomment-5309934072.
ge-proton11-1x1 2026-08ge-proton11-3x1 2026-08proton experimentalx1 2026-08PROTON_USE_DXVK=1x1 2026-08PROTON_USE_DXVK=1`x1 2026-08PROTON_USE_DXVK=1 %command% -force-d3d11x1 2026-08
Compatibility Report
System Information
I confirm:
Symptoms
The game fails to launch, silently aborting before the game window can render. There are three primary symptoms observed in the terminal logs:
-force-d3d11andPROTON_USE_DXVK=1as launch parameters to force a DX11 fallback, the engine still probes for DX12 feature levels before dying (shader_cache_temp_dir_d3d12_64/fozpipelinesv6/steamapprun_pipeline_cache).0compatibility prefix. The logs continuously output:Proton: Upgrading prefix from GE-Proton11-1 to GE-Proton11-3 ... Prefix has an invalid version?!gameoverlayrenderer.sopreloading failures blocking the hook (wrong ELF class: ELFCLASS32).Reproduction
PROTON_USE_DXVK=1 %command% -force-d3d11