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Fix Microsoft Teams Stuck on Loading with Error Code 0xca - Windows Defender and Third-Party Antivirus Port Conflict-Microsoft Store Won't Open After Update – Troubleshooting Guide

Updated 2026-06-14 03:09:03developer-tools
Fix Microsoft Teams Stuck on Loading with Error Code 0xca - Windows Defender and Third-Party Antivirus Port Conflict-Microsoft Store Won't Open After Update – Troubleshooting Guide
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.