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

PowerShell Startup Issues Troubleshooting Checklist

When PowerShell fails to start, shows errors, or loads slowly, the issue often lies in the profil...

Fix Command Prompt 404 Not Found Error

If you're seeing a '404 Not Found' error in Command Prompt, it usually means the file, command, o...

How to Clear Windows Defender Cache

If Windows Defender (Microsoft Defender Antivirus) is acting up—stuck on an old update, using hig...

Outlook PST File Locked: How to Unlock and Access It

You try to open your Outlook data file (PST) and get an error that it's locked or cannot be acces...

MongoDB Authentication Failed: Administrator Checklist

Terminal Command Prompt Setup Guide for Mac

If you're new to the Mac terminal or just want a more informative command prompt, this guide cove...