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Fix Command Prompt SSL Certificate Error: Not Trusted - Troubleshooting Windows Defender 0x8007042c Network Error-Task Scheduler Error Code 0x1: Causes and Fixes

2026-06-14 01:42:10developer-tools
Fix Command Prompt SSL Certificate Error: Not Trusted - Troubleshooting Windows Defender 0x8007042c Network Error-Task Scheduler Error Code 0x1: Causes and Fixes

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.