Checklists for software errors, setup, and tool workflows.

Fix Jupyter Notebook Token Not Working on Mac

You launch Jupyter Notebook on your Mac, see the token URL in the terminal, copy it into your bro...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Chrome High Memory Usage Troubleshooting Checklist

You open Task Manager and see Chrome eating multiple gigabytes of RAM. Tabs feel sluggish, your s...

Fix Windows Security Path Not Found Error (Code 0x80070003)

When you open Windows Security (formerly Windows Defender Security Center) and see an error like ...

Fix Windows Security 502 Bad Gateway Error

If you're seeing a "502 Bad Gateway" error when opening Windows Security (also known as Windows D...

Fix Java JDK Not Recognized in VS Code

You open Visual Studio Code, create a Java file, and notice the language server isn't starting. T...