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

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix Windows Security 502 Bad Gateway Sync Error

You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...

How to Fix Windows Update Stuck on Pending Install

You open Windows Update and see updates listed as 'Pending install' but nothing happens when you ...

How to Fix Windows Defender Blank Screen Issue

If you open Windows Defender (now called Windows Security) and see only a blank white or black sc...

Fix Chrome Proxy Error 'Connection Refused' (Step-by-Step)

You try to open a website in Chrome and get 'ERR_CONNECTION_REFUSED' or 'Proxy server is not resp...

Setting Up Command Prompt for Python: A Practical Guide

If you're new to Python or reinstalling it, you might find that typing python in Com...