Fix Microsoft Store Error 0x80070005: Permission Denied - Windows Activation Module Not Found After Update: Fix-Troubleshoot Windows Update Invalid Configuration Registry

Updated 2026-06-13 16:24:05macos-help
Fix Microsoft Store Error 0x80070005: Permission Denied - Windows Activation Module Not Found After Update: Fix-Troubleshoot Windows Update Invalid Configuration Registry
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.