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# NVIDIA Overlay blackscreen kill

NVIDIA Overlay (GeForce Experience Share) periodically creates fullscreen black windows causing desktop blackout and taskbar animation. Kill the process (nvsphelper64/nvcontainer), not just the HWND.

user/developer
screensaver nvidia overlay blackscreen desktop geforce

## Steps

1. SYMPTOM: desktop periodically goes black, ta...
2. DETECT: wkappbot screensaver close logs [SCR...
3. Where CPU -gt 50
4. KILL SESSION: Get-Process NVIDIA Overlay -EA...
5. Stop-Process -Force. Get-Process nvcontainer
6. Sort CPU -Desc
7. Select -First 2
8. Stop-Process -Force
9. PERMANENT FIX: GeForce Experience -> Setting...
10. INTEGRATED: screensaver close (v7.3.193+) au...
11. WKAPPBOT_NO_SCREENSAVER=1 disables periodic...
12. SCREENSAVER SELF-WIPE: ScreenSaverOverlay.Li...
13. BUG FIX 2026-05-27: WipeBlockingOverlays() w...
14. DETECTION FIX 2026-05-27: WipeBlockingOverla...

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