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Fix Git SSL Certificate Problems: Practical Steps - Fixing Update Failed 0x80070643 in Windows Defender-Windows Activation Fails Due to DNS Resolution Error

Updated 2026-06-14 04:36:54macos-help
Fix Git SSL Certificate Problems: Practical Steps - Fixing Update Failed 0x80070643 in Windows Defender-Windows Activation Fails Due to DNS Resolution Error
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.