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Windows Update 504 Gateway Timeout: Advanced Troubleshooting Checklist - Windows Terminal Settings Not Saving – How to Fix-How to Fix ERR_SSL_PROTOCOL_ERROR in Windows 10

2026-06-13 16:05:10
Windows Update 504 Gateway Timeout: Advanced Troubleshooting Checklist - Windows Terminal Settings Not Saving – How to Fix-How to Fix ERR_SSL_PROTOCOL_ERROR in Windows 10

Result check

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