Checklists for software errors, setup, and tool workflows.

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Latest checklists

If you see a browser error like "ERR_TOO_MANY_REDIRECTS" or "redirect loop", Ngin...

If you've installed Python on Windows 10 but get 'python' is not recognized

Fix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....

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 package json not found' Error When Using npx
When you run npx some-package and see an error like “npm package json not found”...

Fix VS Code Terminal Not Opening on Mac
You open VS Code, press Ctrl+` or click the Terminal panel, and nothing happens. The...