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

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...

How to Fix Windows Activation Failed to Start Permission Denied

You try to activate Windows and get an error: "Activation failed to start" with "Permission denie...

How to Fix Microsoft Teams Not Loading After Reset

If you’ve reset your PC or just reinstalled Windows and now Microsoft Teams won’t load—spinning i...

How to Setup Remote Desktop Permissions for Multiple Users

If you need to allow several users to access a Windows machine remotely, the default Remote Deskt...

Fix Command Prompt Not Recognizing Commands

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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