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

How to Fix Jupyter Notebook Token Authentication Error

When you start Jupyter Notebook, you might see a prompt asking for a token or password, or the br...

How to Fix Windows Defender That Keeps Stopping and Starting

If you notice Windows Defender (Microsoft Defender Antivirus) repeatedly stopping and restarting,...

Fix Microsoft Store Missing or Command Not Found in Start Menu

If you type 'store' in the Start Menu search and see no result, or if the Microsoft Store icon ha...

Fix OneDrive SSL Certificate Error and Permission Denied

When you see an SSL certificate error or a permission denied message in OneDrive, syncing stops. ...

Microsoft Teams 504 Error: Causes and Fixes

When Microsoft Teams shows a 504 error, it usually means the server gateway timed out while tryin...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...