Checklists for software errors, setup, and tool workflows.

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Chrome DNS Error Using chrome://net-internals

If you see a DNS error in Chrome—like "ERR_NAME_NOT_RESOLVED" or "DNS_PROBE_FINISHED_NXDOMAIN"—th...

Windows 10 Activation Stuck on Checking Internet Connection

You're trying to activate Windows 10, but the activation screen keeps spinning on "Checking your ...

How to Fix Microsoft Store Service Unavailable Error

When you open Microsoft Store and see the error 'Service unavailable' or a message like 'Somethin...

BitLocker Blank Screen: No Password Prompt Fix

You boot your Windows PC and see a blank screen instead of the BitLocker password prompt. The sys...

Conda Environment Not Showing in Jupyter: Fixes

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