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

Conda Environment Not Showing in Jupyter: Fixes

You've created a conda environment and activated it, but when you open Jupyter Notebook or Jupyte...

Fix Microsoft Teams 502 Bad Gateway Error – Step-by-Step

If you see a 502 Bad Gateway error in Microsoft Teams, it usually means a server...

Fix PowerShell Script Permission Denied Errors

You try to run a PowerShell script and get an error like "Access is denied" or "Permission denied...

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 Security Failed to Start Access Denied' Error

You click on Windows Security and see 'Windows Security failed to start. Access denied.' This usu...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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