For the best and most stable performance, especially in the Spearhead expansion, set the following in the game's options: Color Depth : 16-bit; Texture Color Depth : 16-bit; Shadows : Simple; Curve Detail : Low. This resolves the severe performance drops some players experience.
Right-click the new MOHAA.exe → → Compatibility tab:
It is a tragedy when a classic game dies due to operating system updates. Medal of Honor: Allied Assault (MOHAA) is widely considered one of the greatest WWII shooters of all time, but installing it on modern Windows 10 or Windows 11 often results in crashes, black screens, or the infamous "starter.exe has stopped working" error.
Windows 10's Desktop Window Manager often breaks in-game V-Sync. You should force V-Sync through your NVIDIA or AMD Control Panel instead.
Many players reported that the game would crash, freeze, or fail to launch altogether on Windows 10, making it difficult to enjoy this beloved game on modern hardware. The issues were often accompanied by error messages, such as "The game has encountered an error and must shut down" or "mohaa.exe has stopped working."
October 2026 Reading Time: 8 Minutes
But it is not dead.
Right-click MOHAA.exe and select Run as Administrator . 2. Enable Widescreen & 1080p Resolution
Think of it as a modern translator. It takes all the original game files (the levels, sounds, and models) and uses its own modern, compatible engine to run them. The main goal of OpenMoHAA is to "ensure the future and continuity of Medal of Honor: Allied Assault on all platforms". It's the definitive way to experience the game today and we strongly recommend it.
For the best and most stable performance, especially in the Spearhead expansion, set the following in the game's options: Color Depth : 16-bit; Texture Color Depth : 16-bit; Shadows : Simple; Curve Detail : Low. This resolves the severe performance drops some players experience.
Right-click the new MOHAA.exe → → Compatibility tab:
It is a tragedy when a classic game dies due to operating system updates. Medal of Honor: Allied Assault (MOHAA) is widely considered one of the greatest WWII shooters of all time, but installing it on modern Windows 10 or Windows 11 often results in crashes, black screens, or the infamous "starter.exe has stopped working" error.
Windows 10's Desktop Window Manager often breaks in-game V-Sync. You should force V-Sync through your NVIDIA or AMD Control Panel instead.
Many players reported that the game would crash, freeze, or fail to launch altogether on Windows 10, making it difficult to enjoy this beloved game on modern hardware. The issues were often accompanied by error messages, such as "The game has encountered an error and must shut down" or "mohaa.exe has stopped working."
October 2026 Reading Time: 8 Minutes
But it is not dead.
Right-click MOHAA.exe and select Run as Administrator . 2. Enable Widescreen & 1080p Resolution
Think of it as a modern translator. It takes all the original game files (the levels, sounds, and models) and uses its own modern, compatible engine to run them. The main goal of OpenMoHAA is to "ensure the future and continuity of Medal of Honor: Allied Assault on all platforms". It's the definitive way to experience the game today and we strongly recommend it.