If using XInputPlus, extract the files directly into your portable MGSV folder alongside mgsvtpp.exe .
TextureFiltering : Set to MEDIUM or HIGH instead of Extra High. Shadows : Reduce to HIGH to free up VRAM. Save the file and restart the game. Troubleshooting Quick Summary Install Visual C++ 2012-2022 All-in-One runtimes. Infinite loading screen Run mgsvtpp.exe as an administrator. Game won't save progress If using XInputPlus, extract the files directly into
Check this box in the Compatibility tab to prevent modern Windows overlays from interfering. 2. The "winmm.dll" and Library Fix Save the file and restart the game
Remember: Always keep a backup of your original mgsvtpp.exe and steam_api64.dll . Windows 11 updates (especially the annual 24H2 and later) have a habit of reintroducing breakage. Bookmark this guide; you will need it again. Game won't save progress Check this box in
Running Metal Gear Solid V: The Phantom Pain (MGSV) on a Windows 11 portable environment—such as a handheld PC or a USB-bootable drive—often presents unique launch issues, particularly for older game builds. While the game is famously well-optimized, the jump to Windows 11 can cause compatibility hurdles with its library dependencies. Common Causes for Launch Failure
