MGSV’s physics engine breaks above 60 FPS (crawling speed glitch). Use RivaTuner Statistics Server (RTSS) to cap at 60 FPS.
To consolidate all the above, create a MGSV_Portable_Fix.cmd on your USB drive with this content:
@echo off title Metal Gear Solid V - Windows 11 Portable Fixer color 0A echo Applying MGSV Portable Fix for Windows 11...:: Fix 1: Redirect saves set "SAVE_PATH=%USERPROFILE%\Documents\My Games\Metal Gear Solid V - The Phantom Pain" if not exist "%SAVE_PATH%" mkdir "%SAVE_PATH%" mklink /J "%SAVE_PATH%" "%~d0\MGSV_Portable_Saves" >nul 2>&1
:: 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
:: 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'"
echo Fixes applied. Launch mgsvtpp.exe now. pause
Run this once on any Windows 11 PC before playing your portable copy.
Before you declare victory, verify these indicators:
Portable versions often lack proper DX11 initialization. Use a custom DLL to bridge the gap.
Unlike Windows 10, Win11 has stricter driver enforcement, core isolation (HVCI), and full-screen optimization issues. Here are the three major bugs you will hit:
Last Updated: October 2025 | Compatibility: Windows 11 22H2, 23H2, 24H2
Since its release in 2015, Metal Gear Solid V: The Phantom Pain has stood as a masterpiece of stealth-action gaming. However, as Microsoft pushes forward with Windows 11, many players attempting to run a portable version of the game have encountered a minefield of technical issues—from silent crashes and infinite loading screens to controller disconnections and performance stutters.
If you have a portable installation (a "no install" repack or a direct USB transfer from an older PC) and you are on Windows 11, this guide is your complete repair manual. We will diagnose why Windows 11 breaks portable versions and provide a step-by-step Metal Gear Solid V The Phantom Pain fix for Windows 11 portable setups.
By default, the game saves to C:\Users\[Name]\Documents\My Games\Metal Gear Solid V - The Phantom Pain. This defeats the purpose of a portable drive.
The Fix: Symbolic Link Trick (Windows 11 Pro/Enterprise)
You cannot change the save path via .ini files. Instead, use a persistent symbolic link that works on any Windows 11 PC:
Better solution: Use a batch script (save_fix.bat) on the portable drive:
@echo off
set DRIVE=%~d0
mklink /J "%USERPROFILE%\Documents\My Games\Metal Gear Solid V - The Phantom Pain" "%DRIVE%\MGSV_Saves"
echo Save directory linked.
Run this as admin on any Windows 11 machine before launching the game.