Checklists for software errors, setup, and tool workflows.

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 ...

How to Enable Bluetooth Service in Windows 11

If Bluetooth suddenly stops working in Windows 11—the icon disappears, devices won't pair, or...

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Fix Git Push Rejected Non Fast Forward Error

You try to push your local commits to a remote repository and get: ! [rejected] —

VS Code Debugger Not Stopping at Breakpoints on Windows: Fixes

You set breakpoints in VS Code, start debugging, and the code runs right past them. This is a com...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...