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

Fix Windows Update 502 Bad Gateway Due to DNS Configuration

If you see a '502 Bad Gateway' error when running Windows Update, the problem is often on the net...

How to Fix Outlook Network Error Sending and Receiving Email

You try to send or receive email in Outlook and get a network error. The error may say something ...

Setup Windows Terminal with WSL2: Step-by-Step Guide

If you're running Windows 10 version 2004 or later, or Windows 11, you can use Windows Terminal t...

How to Enable UFW for a Specific IP Address

You have a Linux server with UFW (Uncomplicated Firewall) enabled, and you need to allow or block...

GOPROXY Environment Variable Configuration Guide