Fix 502 Bad Gateway After Reboot in Command Prompt - How to Fix Windows Security DNS Error 0x800704cf-Windows 10 Remote Desktop Auto-Start Troubleshooting

Updated 2026-06-14 08:04:04security-tools
Fix 502 Bad Gateway After Reboot in Command Prompt - How to Fix Windows Security DNS Error 0x800704cf-Windows 10 Remote Desktop Auto-Start Troubleshooting
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.