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

Fix CMD Service Unavailable Due to Group Policy

Situation

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

Fix Windows 10 Update Stuck at 100%

You've waited through a Windows 10 update, only to see it stuck at 100% for an hour (or more). Th...

How to Fix Windows Terminal Not Opening After Settings Change

If you've changed a setting in Windows Terminal and now it won't open, the problem is usually a c...

Fix Windows Defender Real-Time Protection Turned Off & Connection Refused

You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...

How to Add a Public Key to authorized_keys File

If you're setting up SSH key-based authentication, you need to add your public key to the ~...