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

Jupyter Kernel Not Starting in VS Code: Quick Fixes

You open a Jupyter notebook in VS Code, try to run a cell, and the kernel either hangs on "Starti...

Fix Windows Terminal Blank Screen After Update

After a Windows Terminal update, you might launch the app and see nothing but a blank window—no c...

Windows Activation Error Troubleshooting Checklist: Step-by-Step

Common Activation Error Types

Windows activation errors usually appear as a watermark on ...

Fix Windows Terminal Connection Refused or Permission Denied

If you see 'connection refused' or 'permission denied' when using Windows Terminal—especially wit...

Redis Connection Refused: Troubleshooting Checklist

When your application logs a Redis::CannotConnectError: connection refused error, it...

Fix Chrome Profile Port Already Allocated Error via Command Line

You start Chrome with a custom remote debugging port and see ERROR: chrome_profile_path por...