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

Jupyter Kernel Stuck on Connecting: Practical Fixes

You launch a notebook, but the kernel indicator stays gray or shows “connecting” for minutes. Thi...

How to Run Command Prompt as Administrator on Mac

If you're coming from Windows, you might be looking for a way to run something like Command Promp...

Fix Chrome Profile Auto-Start Not Working on Windows 10

You set Chrome to open a specific profile at startup, but now it just opens the default profile o...

Fix 'Module Not Found' in Python Virtual Environments

Task Scheduler Certificate Configuration Checklist

If your scheduled tasks fail to run or show certificate-related errors, the issue often lies in h...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...