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Fix Windows Update ‘Authentication Failed’ or ‘Password Incorrect’ Error - Fix Windows Defender Error 502 Bad Gateway-Troubleshooting Git SSL Certificate Issues macOS

Updated 2026-06-14 01:18:24office-tools
Fix Windows Update ‘Authentication Failed’ or ‘Password Incorrect’ Error - Fix Windows Defender Error 502 Bad Gateway-Troubleshooting Git SSL Certificate Issues macOS
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.