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Taskbar Icons Disappeared After Signing Out: Fix Guide - Why Firefox Fails Only on WiFi and How to Solve It-Fix Chrome Black Screen on Startup Due to Hardware Acceleration

Updated 2026-07-28 15:08:30office-tools
Taskbar Icons Disappeared After Signing Out: Fix Guide - Why Firefox Fails Only on WiFi and How to Solve It-Fix Chrome Black Screen on Startup Due to Hardware Acceleration
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.