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

Checklist for Fixing Command Prompt Startup Issues

If Command Prompt won't open, closes immediately, or shows an error on startup, the cause is ofte...

Fix Windows Update 404 Not Found After Clean Install

After performing a clean install of Windows, you may encounter a '404 Not Found' error when tryin...

Fix Windows Security Service Unavailable Permission Denied

You open Windows Security and see 'Service unavailable' or 'Permission denied'. The app may not o...

How to Fix kubectl Context Not Found Error

Fix Windows Update Clean Up Tool Not Working

You run Disk Cleanup, check "Windows Update Cleanup", but nothing happens—or the option is missin...

Conda Environment Not Showing in Jupyter: Fixes

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