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Setup Windows Security to Avoid Port Allocation Conflicts - Teams Update Failed CAA50027: Step-by-Step-Windows Security Service Stopped – Antivirus Fix

2026-06-13 22:12:15
Setup Windows Security to Avoid Port Allocation Conflicts - Teams Update Failed CAA50027: Step-by-Step-Windows Security Service Stopped – Antivirus Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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