Fix Windows Search Migration Tool Not Indexing Files - Troubleshooting Microsoft Store CPU Spikes and Access Denied-Fix Windows Security Authentication Error 0x80070035

Updated 2026-06-15 21:12:00office-tools
Fix Windows Search Migration Tool Not Indexing Files - Troubleshooting Microsoft Store CPU Spikes and Access Denied-Fix Windows Security Authentication Error 0x80070035
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.