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

How to Fix Cloudflare 521 Error Due to Proxy Issues

If you see a Cloudflare 521 error, the message usually says something like “Web server is down.” ...

Remote Desktop Connection Fails: RDP Port Not Open

You try to connect via Remote Desktop, but the client says it can't connect. One of the most ...

Fixing Cloudflare Wildcard Subdomain Permissions Denied Errors

You set up a wildcard DNS record in Cloudflare, but requests to subdomains return a permissions d...

Fix Docker Desktop Engine Stopped with Virtual Machine Error

You start Docker Desktop and see “Docker Desktop engine stopped” with a message about a virtual m...

Fix VS Code Terminal Not Opening PowerShell

If you click the terminal panel in VS Code and nothing happens, or it opens a blank shell instead...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...