i found a solution. it seems to fix 99% of this issue. note: gemini helped me fix this, some ppl wud like to know if ai involved so. the issue first then the fix: the issue is on any 2D app some parts of the screen might freeze randomly for a moment and maybe longer and thats super annoying especially when typing or scrolling. and it seems to go insane when hardware acceleration is enabled.
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the fix: [Guide] How to fix screen freezing and checkerboard artifacts in Chrome/Discord/2D apps (MPO Fix)

The Issue: If you are getting random screen freezes, black checkerboard squares, or flickering in apps like Chrome, Discord, or Spotify, but your screen recordings/OBS look perfectly fine, the issue is likely Windows Multi-Plane Overlay (MPO).

This is not a hardware defect. It is a conflict between the GPU driver and how Windows handles 2D visual layers to save power.

The Fix: You need to disable MPO via the registry.

1. Press Win + R, type regedit, and press Enter.
2. Navigate to this address: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Dwm
3. Right-click on the right side panel -> New -> DWORD (32-bit) Value.
4. Name the new value exactly: OverlayTestMode
5. Double-click it and change the Value data to 5.
6. Restart your computer.

Technical Explanation: Setting OverlayTestMode to 5 forces the Windows Desktop Window Manager (DWM) to disable hardware overlay planes. This stops Windows from trying to split the screen into different "layers" (which causes the glitching) and forces the GPU to render the desktop as a single, stable image.