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Fix 504 Gateway Timeout After Windows Update - Solve sppsvc.exe High CPU After Windows Update-Teams Proxy Configuration: Step-by-Step

Updated 2026-06-14 08:17:48browser-issues
Fix 504 Gateway Timeout After Windows Update - Solve sppsvc.exe High CPU After Windows Update-Teams Proxy Configuration: Step-by-Step
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.