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

Fix PowerShell Port Already Allocated Error with Firewall

When you see a 'port already allocated' error in PowerShell while trying to set up a listener or ...

WSL Ubuntu Network Configuration Checklist

If you're running Ubuntu under WSL and network connections are failing—slow DNS lookups, no inter...

How to Fix Cloudflare 521 Error on a WordPress Site

If you see a Cloudflare 521 error on your WordPress site, it means Cloudflare can't connect to yo...

Practical VSCode Debugger Setup for Node.js

You've written a Node.js app in VSCode, but when you hit F5, nothing happens or the debugger won'...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

How to Fix Microsoft Teams Not Connecting to Network

If Microsoft Teams won't connect to the network, you'll likely see a persistent "Connecting..." m...