Knowledge base for software setup, errors, and daily tool work.

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...

Command Prompt Dependency Conflict Troubleshooting Checklist

How to Set the PowerShell Module Path

When you install a custom PowerShell module or a third-party one, PowerShell needs to know where ...

Fix Windows Activation Failed to Start Command Line Repair Tool

When Windows activation fails, you might see an error that the command line repair tool cannot st...

Fix Node Version Mismatch Error ERR_INVALID_ARG_TYPE

You see ERR_INVALID_ARG_TYPE after a Node.js update or when switching projects. This...

How to Fix Remote Desktop Error Code 0x4 Extended

When you try to connect to a remote desktop and see error code 0x4 extended, the connection fails...