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Fix Task Scheduler Port Already Allocated Error - Solving Windows Security Startup Issues After Updates-Troubleshoot Windows Defender DNS Resolution Failure

2026-06-14 03:25:06
Fix Task Scheduler Port Already Allocated Error - Solving Windows Security Startup Issues After Updates-Troubleshoot Windows Defender DNS Resolution Failure

Result check

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