Checklists for software errors, setup, and tool workflows.

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Fix Nginx 502 Bad Gateway: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

Fix Chrome Sync Not Working with Family Link

If Chrome sync stops working on a child's device managed by Google Family Link, it's usua...

Fix Firefox Secure Connection Failed Not Loading

If Firefox shows a “Secure Connection Failed” error and won’t let you load a site, it usually mea...

Fix VS Code Terminal Not Opening with Conda Environment

You open VS Code, try to launch the integrated terminal, and nothing happens—or the terminal open...

VSCode Integrated Terminal Not Showing: Fixes to Try

You open the integrated terminal in Visual Studio Code using Ctrl+` (or Cmd+`<...

Fix npm ERR! enoent ENOENT: package.json Missing in Project
When you see npm ERR! enoent ENOENT: no such file or directory, open '.../package.json&...