Command Prompt Connection Error Troubleshooting Guide
You open Command Prompt, try to ping a server or run a network command, and get an error like
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Microsoft Store Not Working Due to Proxy Settings
If the Microsoft Store won't load, shows errors, or fails to download apps, your proxy settings m...
Checklist for Capturing Command Prompt Logs
When you need to share command prompt output with a support team or save it for later analysis, a...
Fix Microsoft Store Log File Errors: Practical Steps
If you see an error referencing a log file when opening Microsoft Store, the app might fail to lo...
Fix Windows Update Black Screen After Restart
After installing a Windows update and restarting, a black screen (with or without a cursor) can b...
Windows Security App Not Working After Update: Fixes
After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...
Topic paths
Quick titles
Resolve Windows Defender Path Not Found in RegistryMicrosoft Store Not Launching on Windows 10: How to FixFix Command Prompt Display in UbuntuEnable PowerShell Scripts on Windows 11Fix Microsoft Store Not Responding or Slow Startup on Windows 10Resolve Port Already Allocated Error in TerminalMicrosoft Store Update Permission Denied TroubleshootingWindows Terminal DNS Problem Checklist