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

Fix Jupyter Kernel Not Starting on Windows 10

When you launch a Jupyter notebook and the kernel never starts—or shows a 'Kernel error' or 'Conn...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

How to Fix Dependency Conflicts with Windows Defender Service

If Windows Defender won't start or you see errors about a dependency conflict, the issue often li...

Fix Windows Update Error 0x800f081f During Repair Installation

If you see error 0x800f081f while trying to repair Windows Update or install a feature update, it...

How to Fix Windows Activation 502 Bad Gateway Error

If you're trying to activate Windows and see a '502 Bad Gateway' error, it usually means somethin...

Windows Defender Not Working After Update: Checklist

After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...