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

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...

How to Fix Chrome SSL Protocol Error: Invalid Server Certificate

You try to visit a website in Chrome and see an error: "SSL protocol error" with "invalid server ...

How to Fix PowerShell Proxy Error: Step-by-Step Guide

If you see a proxy error in PowerShell—like Unable to connect to the remote server o...

Windows Terminal Config Not Working After Edit: Fixes

You edit your Windows Terminal settings.json, save it, and nothing changes. The terminal still lo...

Command Prompt Setup Guide for Beginners

What is Command Prompt?

Command Prompt is a text-based interface in Windows that lets you...

Fix kubectl Context Not Found and Permission Denied

You try to run a kubectl command and get an error like error: context not found or <...