Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run npm install and see an error like EBADENGINE or engi...

Fix Windows Update Error 0x80070002
Windows Update error 0x80070002 usually appears when the update process can't find a required...

DNS Probe Finished NXDOMAIN: Troubleshooting Checklist
Seeing "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome means the browser couldn't find the IP...

Taskbar Icons Missing But Taskbar Visible: Fixes
You see the taskbar at the bottom of your screen, but the icons—like the Start button, search bar...

Fix Windows Update Service Not Running with Malwarebytes
If Windows Update fails with error messages like "Service not running" or "Windows Up...

Fix 'git pull failed index.lock file exists' Error
When running git pull, you may see an error like:
fatal: Unable to create &#...