How to Fix Microsoft Store Backup Not Working - Troubleshooting Windows Defender 0x80070005 Access Denied-Microsoft Teams Cache Reset Failure Solution

Updated 2026-06-19 01:57:37developer-tools
How to Fix Microsoft Store Backup Not Working - Troubleshooting Windows Defender 0x80070005 Access Denied-Microsoft Teams Cache Reset Failure Solution
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.