Checklists for software errors, setup, and tool workflows.

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Latest checklists

You run npm run build and get an error like Error: Cannot find module 'som...

Fix 'Python' Command Not Found in Windows 10 64-bit
You open Command Prompt, type python, and see 'python' is not recogniz...

Fix Docker Pull Access Denied in CI/CD Pipeline
When a CI/CD pipeline fails with denied: requested access to the resource is denied ...

Fix Git Push Rejected Non Fast Forward Error
You run git push and see: ! [rejected] main -> main (non-fast-forward)

Fix Windows 11 Wi-Fi No Internet by Disabling IPv6
If your Windows 11 PC connects to Wi-Fi but shows 'No internet' while other devices work ...

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