Fix OneDrive Sync 404 Error After Windows Update - Task Scheduler File Lock: How to Release-PowerShell 401 Token Expired Error Fix

Updated 2026-06-13 20:57:53browser-issues
Fix OneDrive Sync 404 Error After Windows Update - Task Scheduler File Lock: How to Release-PowerShell 401 Token Expired Error Fix
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.