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Home / windows-fixes / Windows Update 502 Bad Gateway: Quick Troubleshooting Checklist - Troubleshooting Firefox Profile Error Code 0x80520007-Fix Windows Security Center Not Showing

Windows Update 502 Bad Gateway: Quick Troubleshooting Checklist - Troubleshooting Firefox Profile Error Code 0x80520007-Fix Windows Security Center Not Showing

Updated 2026-06-13 22:30:32windows-fixes
Windows Update 502 Bad Gateway: Quick Troubleshooting Checklist - Troubleshooting Firefox Profile Error Code 0x80520007-Fix Windows Security Center Not Showing
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.