Navigate to your game folder (typically ...\Steam\steamapps\common\MGS_TPP ). Right-click and select Properties . Under the Compatibility tab:
A common culprit for the game not starting at all is missing Visual C++ files, specifically MSVCP110.dll MSVCR110.dll Reinstall Visual C++ : Download and install the latest Visual C++ Redistributable for Visual Studio 2012 (x64) directly from the Microsoft Support page The "winmm.dll" Fix : If you have a file named in your main game directory, try renaming it to dinput.dll Metal Gear Solid V The Phantom Pain Fix For Windows 11
Back up your registry first.
(You can also try -fullscreen if borderless doesn't work for your preference, but borderless is generally more stable on Windows 11). Navigate to your game folder (typically
Right-click mgsvtpp.exe in the game folder and select . (You can also try -fullscreen if borderless doesn't
This is the #1 fix for launch crashes.
: Download the latest supported Visual C++ redistributables from Microsoft.