Fix Microsoft Store High Memory Usage by Resetting - Windows Security Error 0x80073b01 Troubleshooting-How to Resolve Defender 504 Timeout

Updated 2026-06-18 15:23:24backup-recovery
Fix Microsoft Store High Memory Usage by Resetting - Windows Security Error 0x80073b01 Troubleshooting-How to Resolve Defender 504 Timeout
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.