Fix 502 Bad Gateway Error in Windows Command Prompt - How to Fix RDP 404 Error After Changing Network Config-OneDrive Sync Blank Screen Troubleshooting

Updated 2026-06-14 21:13:53backup-recovery
Fix 502 Bad Gateway Error in Windows Command Prompt - How to Fix RDP 404 Error After Changing Network Config-OneDrive Sync Blank Screen 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.