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Fix Windows Defender Update Fails with Connection Timeout Error - Fix Windows Terminal Proxy Error: Connection Refused or Cannot Reach Proxy-Fix Permission Denied Error When Updating Windows Search

Updated 2026-06-13 20:26:57cloud-software
Fix Windows Defender Update Fails with Connection Timeout Error - Fix Windows Terminal Proxy Error: Connection Refused or Cannot Reach Proxy-Fix Permission Denied Error When Updating Windows Search
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.