seta r_customwidth "1920" seta r_customheight "1080" seta r_mode "-1" Use code with caution.
OpenMoHAA (open-source engine, great for Windows 10/11)
Medal of Honor Allied Assault Windows 10 Fix Update: Run the Classic in 2026
in the compatibility tab can fix resolution and mouse issues. Widescreen & Resolution Fix medal of honor allied assault windows 10 fix upd
A common issue on Windows 10 is that the expansion packs ( Spearhead and Breakthrough ) won't launch even if the base game does.
If the game crashes on startup with an "OpenGL Subsystem" error, it is likely because modern drivers don't always communicate well with the old Quake III engine.
Backup your original mohaa.exe file by renaming it to mohaa.bak . If the game crashes on startup with an
Related search suggestions provided.
| Component | Setting | |----------------|--------------------------------------------------| | Game version | GOG or OpenMoHAA | | Renderer | OpenGL (via OpenMoHAA) or Vulkan (dgVoodoo2) | | Resolution | 1920×1080 @ 120Hz (capped via driver or in-game)| | Sound | OpenAL soft – 44.1kHz, 16-bit | | CPU affinity | Set to single core if using original exe |
If you own the retail disc version, Windows 10 will prevent it from starting. To bypass this restriction: Medal of Honor Allied Assault on Windows 10? : r/AskGames an enigmatic error message
Rename your current mohaa.exe to mohaa_old.exe (for backup), then place the new, patched mohaa.exe into the folder.
If you are staring at a black screen, an enigmatic error message, or just a game that refuses to launch, don't give up. This comprehensive guide will provide you with a step-by-step arsenal of fixes to get your MOHAA up and running on Windows 10. From the most common roadblocks to the more technical workarounds, we will cover every method that has helped players win this battle for the last two decades.
The game does not support modern resolutions by default. Use a community patch like War Chest Restored or the MOH: Community Launcher to enable widescreen. Expansion Pack Startup Fix
This is arguably the most effective individual fix for graphics-related crashes. The idea is to bypass your system's default OpenGL setup by providing a custom version of the opengl32.dll file for the game to use instead. This fix has worked for countless users who were experiencing a grey or black screen followed by an immediate crash.
Most startup failures are caused by how modern Windows and NVIDIA drivers handle older OpenGL versions or legacy DRM.