Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...

Fixing 'Command Not Found' in VS Code Terminal
You open the integrated terminal in VS Code, type a command you know is installed, and get ...

Fix DNS Probe Finished NXDOMAIN with VPN Issues
When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...

Fix Git SSL Certificate Problem on Corporate Networks
If you see git SSL certificate problem: unable to get local issuer certificate while...

How to Fix Windows Update Service Not Running
If Windows Update won't start or you see an error like "Windows Update cannot check for u...

Fix npm install Incompatible Node Version Errors
When you run npm install and get an error about an incompatible Node.js version, it ...