zhizhu
Home / developer-tools / Fix Windows Defender Connection Timeout Error 0x80070422 - Troubleshooting Cloudflare Error 521-Microsoft Store Keeps Asking to Sign In – Fixed

Fix Windows Defender Connection Timeout Error 0x80070422 - Troubleshooting Cloudflare Error 521-Microsoft Store Keeps Asking to Sign In – Fixed

2026-06-13 16:11:36developer-tools
Fix Windows Defender Connection Timeout Error 0x80070422 - Troubleshooting Cloudflare Error 521-Microsoft Store Keeps Asking to Sign In – Fixed

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.