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

Windows Defender Not Working on Ubuntu: What to Check

Windows Defender is a Microsoft product designed for Windows. If you're seeing it referenced on U...

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Fix Chrome Profile Sync Issues After Startup

If Chrome starts but your bookmarks, passwords, or settings aren't syncing, you're not alone. Thi...

MongoDB Authentication Failed: Administrator Checklist

Windows Terminal Shows Blank Screen When PowerShell Doesn't Load

You open Windows Terminal, expecting the PowerShell prompt, but instead you see a blank black or ...

Fix Windows Security High CPU Usage on Windows 10

If your Windows 10 PC is running slow and Task Manager shows Windows Security (or Antimalware Ser...