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

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 ...

BitLocker Recovery Key Not Accepted: Step-by-Step Fixes

You enter your BitLocker recovery key at the blue screen, but Windows says it's not accepted. Thi...

Docker Desktop Stuck on 'Starting' Forever? Here's How to Fix It

You click the Docker Desktop icon, the whale icon appears in the system tray, and then... nothing...

Windows Security Configuration Checklist

If you're setting up a new Windows machine or reviewing an existing one, a security checklist hel...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

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...