Checklists for software errors, setup, and tool workflows.

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Latest checklists

You're reading a file in Python and get:

UnicodeDecodeError: 'charmap' ...

Fix Nginx Configuration Test Failure for Upstream Directive
When you run nginx -t and get an error involving the upstream directive...

Fix Nginx Upstream Connection Refused Timeout Error
When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...

Fix Node Sass Build Failure: Environment Variable Errors
When you run npm install or a build script and see an error like Node Sass doe...

How to Rebuild Taskbar Icon Cache in Windows 10
If your Windows 10 taskbar icons appear blank, wrong, or missing, the icon cache may be corrupted...

Why npm Says 'package.json Not Found' and How to Fix It
You run npm install or npm start and get npm ERR! package.json no...