Checklists for software errors, setup, and tool workflows.

Fix Jupyter Kernel Not Starting on Windows 10

When you launch a Jupyter notebook and the kernel never starts—or shows a 'Kernel error' or 'Conn...

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 Activation Error Invalid Configuration

You try to activate Windows and see an error saying “invalid configuration”. Thi...

Fix Microsoft Store Authentication Token Expired Error

When you open Microsoft Store and see an error like 'Authentication token expired' or 'Your authe...

Fix Outlook Update Error 'Cannot Start' – Practical Steps

When you update Outlook and see 'Microsoft Outlook cannot start' or 'Cannot start Microsoft Outlo...

Fix VS Code Terminal Not Opening Due to Shell Path Issue

You click the terminal panel in VS Code, but nothing happens—or it flashes and disappears. This i...