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Fix Windows Update Error 504 Gateway Timeout - Windows Security Authentication Failed Error Guide-Go Modules Proxy Cache: Clear and Reset Steps

Updated 2026-06-14 12:46:47developer-tools
Fix Windows Update Error 504 Gateway Timeout - Windows Security Authentication Failed Error Guide-Go Modules Proxy Cache: Clear and Reset Steps
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.