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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Chrome Profile Corrupted: Step-by-Step Fix Guide

If Chrome starts showing errors like "Your profile could not be opened correctly" or crashes on l...

Fix Windows Terminal 0x80070005 Authentication Error

When you launch Windows Terminal and see error code 0x80070005, it usually means an access denied...

Windows Terminal SSL Troubleshooting Checklist

If you're seeing SSL errors in Windows Terminal—like curl: (35) SSL connect error or...

Jupyter Kernel Stuck on Connecting: Practical Fixes

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

Fix Redis Connection Refused in Docker Containers

You have a Docker container that needs to talk to a Redis instance, but you get connection ...