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Fixing 504 Gateway Timeout from Windows Update with Proxy - How to Solve VSCode SSH Permission Denied on Known Hosts-WireGuard Handshake Timeout: Causes and Fixes

2026-06-13 15:50:57
Fixing 504 Gateway Timeout from Windows Update with Proxy - How to Solve VSCode SSH Permission Denied on Known Hosts-WireGuard Handshake Timeout: Causes and Fixes

Result check

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