Fix Windows Search Authentication Failed Error 0x80070005 - Microsoft Store Connection Refused Step-by-Step Guide-Troubleshooting Windows Update 0x80070002

Updated 2026-06-13 22:42:19developer-tools
Fix Windows Search Authentication Failed Error 0x80070005 - Microsoft Store Connection Refused Step-by-Step Guide-Troubleshooting Windows Update 0x80070002
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.