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Taskbar Icons Disappeared After Signing Out: Fix Guide - How to Fix Nginx Upstream Connection Refused on Port 80-Fix VS Code Permission Denied Error Code 13

Updated 2026-07-28 13:04:59office-tools
Taskbar Icons Disappeared After Signing Out: Fix Guide - How to Fix Nginx Upstream Connection Refused on Port 80-Fix VS Code Permission Denied Error Code 13
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

More repair notes

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