Checklists for software errors, setup, and tool workflows.

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Debugging Jest Tests in VS Code: Breakpoints Not Hit

You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...

Windows 11 Blue Screen After Update: Hardware Issue Fixes

You updated Windows 11, and now you get a blue screen. If the error mentions hardware, it's o...

Fix Python venv 'No such file or directory' Error on Activation

You create a virtual environment with python -m venv myenv, then try to activate it ...

Fix VSCode Terminal Not Opening with Python

You try to run a Python script in VSCode, click the terminal tab, and nothing happens—or the term...

Fix Git 'fatal: refusing to merge unrelated histories' on GitHub

You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...

How to Turn On Bluetooth in Windows 11: Quick Fixes
You open Quick Settings, click the Bluetooth icon, and nothing happens—or the toggle is grayed ou...