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Windows Defender Proxy Error: Setup Checklist for Fix - Resolve 502 Bad Gateway in Command Prompt Proxy-Resolve Token Expired Error with Clean Boot

2026-06-18 15:33:48
Windows Defender Proxy Error: Setup Checklist for Fix - Resolve 502 Bad Gateway in Command Prompt Proxy-Resolve Token Expired Error with Clean Boot

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.