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

Ubuntu Task Scheduler Checklist for Beginners

If you're new to Ubuntu and need to run a script or command on a schedule, you'll likely use cron...

How to Fix Windows Defender Antivirus Disabled Permanently

If Windows Defender Antivirus stays disabled even after you try to turn it on, the problem is oft...

Stop BitLocker Asking for Password at Boot

If your Windows PC prompts you for a BitLocker password every time you boot up, you're likely usi...

PowerShell Command Not Found but Works in CMD

Fix Windows Update Error: Port Already Allocated

You try to run Windows Update, but it fails with an error about a port already being allocated. T...

Jupyter Notebook Token Not Working After Update: Fixes

After updating Jupyter Notebook or JupyterLab, you may find that the token-based authentication n...