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Windows White Window Glitch? Chrome Task Blamed
6 Jul
Summary
- White windows appearing on Windows 10/11 screens.
- A specific Chrome scheduled task is identified as the cause.
- Disabling the task resolves the issue without side effects.

Users of Windows 10 and Windows 11 have recently encountered an issue causing blank white windows to appear in their screen corners. This graphical anomaly occurs upon system startup, unlock, or restart and can obstruct user interaction. The problem affects both Intel and AMD-based computers, suggesting a broader compatibility issue.
Investigation points to a specific Google Chrome background process, identified as 'RunPlatformExperienceHelperOnUnlock,' as the culprit. This task, managed by Windows Task Scheduler, is believed to be related to Chrome's background activities, such as extension management or update processes.
Fortunately, a straightforward solution has emerged: disabling the 'RunPlatformExperienceHelperOnUnlock' task. By accessing Task Scheduler and navigating to the GoogleUserPEH folder, users can right-click and select 'Disable' for this task. This action has successfully eliminated the white window issue for affected users, with no adverse side effects reported thus far. Neither Microsoft nor Google has officially commented on this emerging problem.