Windows 10 blocks the secdrv.sys driver used by the original CD version of the game for copy protection.
Modern Windows security prevents older applications from modifying files within protected directories like C:\Program Files (x86) . Step 1: The Core Graphic Fix (The OpenGL GLCheck Bypass) medal of honor allied assault windows 10 fix upd
After Revival patch, edit configs/unnamedsoldier.cfg (or main/config.cfg ): Windows 10 blocks the secdrv
Look for the following lines (or add them at the bottom if missing) and change their values to match your monitor's native resolution: medal of honor allied assault windows 10 fix upd
Ensure your graphics drivers are up to date. Outdated drivers can cause a variety of issues.