Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You launch the Windows 11 Installation Assistant, it runs for a while, then either stalls, throws...

You run npm run build and get an error like Error: Missing required environmen...

VSCode Integrated Terminal Not Showing: Fixes to Try
You open the integrated terminal in Visual Studio Code using Ctrl+` (or Cmd+`<...

DNS Probe Finished NXDOMAIN: Meaning and Fixes
You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...

Fix npm 'package.json not found' Error in Subdirectories
You're working in a subdirectory of your project, run npm install or npm r...

Fix Docker Overlay2 Disk Usage and No Space Left Errors
When Docker reports 'no space left on device' or you notice disk usage climbing in ...