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Home / developer-tools / Fix Windows Defender Proxy Error 0x80070422 - Fix Windows Terminal 504 Timeout by Clearing DNS Cache-Windows Activation Stuck Loading – Troubleshooting Steps

Fix Windows Defender Proxy Error 0x80070422 - Fix Windows Terminal 504 Timeout by Clearing DNS Cache-Windows Activation Stuck Loading – Troubleshooting Steps

2026-06-14 20:24:38
Fix Windows Defender Proxy Error 0x80070422 - Fix Windows Terminal 504 Timeout by Clearing DNS Cache-Windows Activation Stuck Loading – Troubleshooting Steps

Result check

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

Next references

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