Windows 11 Game Stuttering: What Causes It and How to Fix It (2026)

Windows 11 logo with before and after game performance comparison showing stuttering fixed through configuration changes

Games stuttering on Windows 11 even at high FPS? You’re experiencing frame-timing issues caused by Windows 11-specific features, not hardware problems. Most cases are caused by MPO (Multi-Plane Overlay) conflicts in borderless mode, Fast Startup carrying corrupted driver states, Memory Integrity security overhead, or shader cache corruption after updates.

This complete guide explains what causes Windows 11 game stuttering, how to diagnose if your stuttering is Windows 11-specific (versus hardware issues), and walks you through 4 proven fixes: clearing the DirectX shader cache, disabling Fast Startup, testing Memory Integrity when appropriate, and fixing MPO conflicts for borderless gaming.

If stuttering started after upgrading to Windows 11 or after a Windows update, these configuration fixes usually resolve the problem in 20 minutes without reinstalling Windows.

Vault 111 Explained: The Dark Truth Behind Fallout 4’s Opening

fallout 4 lore vault 111

Vault 111 is one of the most infamous locations in Fallout 4 and for good reason. What appeared to be a nuclear fallout shelter for the residents of Sanctuary Hills was actually a sinister cryogenic experiment conducted by Vault-Tec.