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...

Fixing Microsoft Teams Module Not Found Error

If you see "Module not found" when starting Microsoft Teams, it usually means a core component is...

Fix Windows Update Error Due to Port 80 Already in Use

Windows Update may fail with error 0x8024402c or similar when another application is already usin...

How to Fix Chrome High Memory Usage Not Working

If Chrome is using excessive memory and then stops working—freezing, crashing, or becoming unresp...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

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

How to Fix PuTTY SSH Connection Refused Error

You open PuTTY, enter your server's IP and port, click Open, and get "Connection refused"...