Checklists for software errors, setup, and tool workflows.

Check PowerShell Version Before Running Scripts

You wrote a PowerShell script or downloaded one from a repository. You run it, and it fails with ...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix 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...

Windows Security Connection Refused: Troubleshooting Checklist

When Windows Security reports a 'connection refused' error, it usually means the app can't reach ...

Fix 'Command Not Found' Error on Mac Terminal

When you type a command in Mac Terminal and see command not found, it usually means ...

Fix 'npm command not found' and Permission Denied Errors

When you run npm in your terminal and see command not found or pe...