zhizhu
Home / cloud-software / Fix Microsoft Store Connection Timeout Due to Firewall Settings - Troubleshoot Outlook Shared Calendar Access Denied-How to Fix Windows Defender Authentication Failed

Fix Microsoft Store Connection Timeout Due to Firewall Settings - Troubleshoot Outlook Shared Calendar Access Denied-How to Fix Windows Defender Authentication Failed

Updated 2026-06-13 21:32:26cloud-software
Fix Microsoft Store Connection Timeout Due to Firewall Settings - Troubleshoot Outlook Shared Calendar Access Denied-How to Fix Windows Defender Authentication Failed
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.