:: Fix 3: Set Win7 compatibility mode for portable exe reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers" /v "%~d0\MGSV_TPP\mgsvtpp.exe" /t REG_SZ /d "WIN7RTM" /f
:: Fix 4: Add exception to Windows Defender (prevents on-access scan lag) powershell -Command "Add-MpPreference -ExclusionPath '%~d0\MGSV_TPP'" :: Fix 3: Set Win7 compatibility mode for
:: Fix 2: Disable fullscreen optimizations (prevents alt-tab crash) reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers" /v "%~d0\MGSV_TPP\mgsvtpp.exe" /t REG_SZ /d "DISABLEFULLSCREENOPTIMIZATIONS" /f run the fixer
Windows 11 is notoriously hostile to legacy portable games, but The Phantom Pain is worth the fight. With these fixes, you will never need an installer again. Plug in your drive, run the fixer, and infiltrate OKB Zero from any PC in the world. :: Fix 3: Set Win7 compatibility mode for