Fix Windows Defender Security Center Not Opening - Fix OneDrive Sync Rate Limit Error and Resume Syncing-Resolve Outlook Error 0x8004010f

Updated 2026-06-15 18:39:14cloud-software
Fix Windows Defender Security Center Not Opening - Fix OneDrive Sync Rate Limit Error and Resume Syncing-Resolve Outlook Error 0x8004010f
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.