Checklists for software errors, setup, and tool workflows.

Fix Windows Activation Version Mismatch via Command Prompt

If you see an error like "The version of Windows you are trying to activate does not match the pr...

Fix Windows Search SSL Certificate Error: Step-by-Step Guide

You search for a file or setting in Windows, but nothing appears—or you see an error about an SSL...

Windows Search Proxy Troubleshooting Checklist

If Windows Search stops returning results or indexing hangs, a misconfigured proxy is a common ca...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Outlook DNS Errors After a Recent Update

After a recent Outlook update, you might see a DNS error when trying to send or receive email. Th...

Fix Windows Activation Key Not Recognized Error

You enter your Windows product key during installation or activation, and get an error that the k...