Hello @cyrus-rumao, you've come across an issue tracker for a project called Proton. Proton is a compatibility layer to run Windows based games on Linux. Since you're running the game on Windows, Proton isn't involved in any way. This feedback should be directed at the game dev(s).
0xc0000005x1 2026-05
Compatibility Report
System Information
I confirm:
Symptoms
Halo: The Master Chief Collection crashes immediately on launch before reaching menus or rendering a game window.
Windows Error Reporting consistently shows:
0xc00000050x00000000020edc7eMCC-Win64-Shipping.exeCrash dumps analyzed in WinDbg consistently point to:
AK::SpatialAudio::UnregisterListenerwith a null pointer dereference:
Attempt to read from address 0000000000000000The crash is fully deterministic and identical across launches.
Troubleshooting Performed
The following actions were attempted without changing crash behavior:
Additional Notes
ProcMon traces show no significant DLL load failures, access denied events, or missing runtime dependencies prior to crash.
WinDbg analysis consistently resolves to:
mcc_win64_shipping!AK::SpatialAudio::UnregisterListenersuggesting an internal startup/runtime failure involving Wwise spatial audio cleanup or initialization.
The crash does not occur in:
Other Steam games launch and function normally on the same system.