Checklist for Windows Update Connection Refused Issues
When Windows Update fails with a "connection refused" or "server refused connection" error, it us...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Security Not Responding
Windows Security (formerly Windows Defender Security Center) may stop responding, hang on launch,...
Fix 'Windows Defender File Locked by Another Program' Error
You try to delete, move, or rename a file, and Windows shows an error: “The action can’t be compl...
Fix Windows Search Blank White Screen in Windows 10
You open the Start menu or File Explorer and start typing, but instead of search results you see ...
Jupyter Kernel Not Starting in VS Code: Quick Fixes
You open a Jupyter notebook in VS Code, try to run a cell, and the kernel either hangs on "Starti...
Fix PowerShell Path Not Found Error 0x80070002
When you run a PowerShell script or command and see 0x80070002 with a message like "...
Topic paths
Quick titles
Troubleshoot Outlook Loading Hang Due to PST DamageWhere Nginx Logs 404 Errors: Location & TroubleshootingPowerShell Cannot Connect to 127.0.0.1 Firewall FixFix ImageMagick 'convert' Not Recognized in PHP exec()OneDrive Sync Not Working on Mac? Try ThisHow to Fix ImageMagick Convert Not Recognized in Windows 10 PowerShellFix Git Clone Permission Denied (publickey) – Invalid KeyFix Missing Terminal in Visual Studio Code