Fix Windows Defender SSL Certificate Errors After Update - Find the Process Holding a File Lock in Windows-OneDrive Sign-In Error 0x8004de40: Step-by-Step Fix

Updated 2026-06-13 15:41:19windows-fixes
Fix Windows Defender SSL Certificate Errors After Update - Find the Process Holding a File Lock in Windows-OneDrive Sign-In Error 0x8004de40: Step-by-Step 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.