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 Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Windows Defender Mac Compatibility Issues with Antivirus

If you run Windows on a Mac via Boot Camp, Parallels, or VMware Fusion, you may see warnings that...

Fix PowerShell Assembly Cache Not Updating

You’ve updated a .NET assembly in the Global Assembly Cache (GAC) or copied a new DLL into a modu...

Fix Command Prompt Service Unavailable on Windows 11

When you try to open Command Prompt on Windows 11 and see 'Service unavailable' or a blank window...

How to Fix Windows Update Error 0x80070002

You click Check for updates and after a while get error 0x80070002. It usually means Windows Upda...