Checklists for software errors, setup, and tool workflows.

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Latest checklists

When you see upstream connection refused or upstream not found in your ...

When you type python in Command Prompt on Windows 7 and get 'python' i...

Fix Chrome Memory Spikes When Watching Videos
You're watching a video in Chrome, and suddenly the system slows down, fans spin up, or tabs ...

How to Enable Chrome Extensions That Aren't Loading
You open Chrome and see a grayed-out extension icon. Clicking 'Enable' does nothing, or t...

How to Fix Git index.lock File Exists Error on Mac
If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...

Fixing VS Code Git Authentication Failed Error
If you see "Git authentication failed" when pushing or pulling in VS Code, it usually mea...