Checklists for software errors, setup, and tool workflows.

DNS Probe Finished NXDOMAIN: Internet Connection but No Browsing Fix

You see the error 'DNS probe finished NXDOMAIN' on Chrome or other browsers, yet your int...

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

Symptom

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

Fix PowerShell Permission Denied in VS Code

When you try to run a PowerShell script in VS Code and get a "permission denied" error, i...

Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

Fix Git SSL Certificate Error: Unable to Get Local Issuer Certificate

When cloning or pulling from a Git repository, you may see:

fatal: unable to access...