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How to Fix Windows Defender Firewall Blocked App - Task Scheduler Access Denied Error After Windows Update-Resolve BitLocker Proxy Certificate Errors

2026-06-13 20:36:18
How to Fix Windows Defender Firewall Blocked App - Task Scheduler Access Denied Error After Windows Update-Resolve BitLocker Proxy Certificate Errors

Result check

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