Knowledge base for software setup, errors, and daily tool work.

How to Completely Uninstall PowerShell from Mac

If you installed PowerShell on macOS via the official package or Homebrew and now want to remove ...

Nginx 502 Bad Gateway: A Practical Troubleshooting Guide

Seeing a 502 Bad Gateway from Nginx usually means the upstream server (like PHP-FPM, uWSGI, or a ...

PowerShell Rate Limit Error: Troubleshooting Checklist

When you hit a rate limit error in PowerShell, it usually means you're sending too many requests ...

Force Delete a File Locked by Windows Command Prompt

You're trying to delete a file in Windows, but you get an error saying the file is open in 'comma...

Microsoft Store for Mac: Common Errors and Fixes

If you're using the Microsoft Store on a Mac (via the web or through Office apps), you may run in...

Fix 'PowerShell Not Recognized as Internal or External Command'