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

How to Fix BitLocker Access Denied on a USB Drive

You plug in your BitLocker-encrypted USB drive, enter the password, and get an 'access denied' me...

Windows Security Backup Tool: Setup and Troubleshooting Guide

If you've opened Windows Security and seen the backup tool prompts, you're not alone. This guide ...

Fix Jupyter Notebook Token Not Working on Windows

When you start Jupyter Notebook (or JupyterLab) on Windows, it often opens a browser tab asking f...

Fix 'err tunnel connection failed' on Chrome for Android

You open Chrome on your Android phone and instead of loading a page, you see 'err tunnel connecti...

How to Fix PowerShell Port Already Allocated Error

When you try to start a TCP listener or run a script that binds to a specific port in PowerShell,...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...