Checklists for software errors, setup, and tool workflows.

How to Fix Windows Defender High CPU Usage

If your system feels sluggish and Task Manager shows Windows Defender (Microsoft Defender Antivir...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Edge Browser Troubleshooting Checklist

If Edge is crashing, running slowly, or not syncing correctly, start with this checklist. It cove...

Fix Windows Security Real-Time Protection Stuck

Windows Security’s real-time protection can get stuck in an “on” or “off” state, sometimes refusi...

Fix Windows Update Proxy Errors After Network Change

If you recently switched networks—say, from a corporate VPN to a home Wi-Fi—and Windows Update no...

Fix Windows Activation Service Unavailable Error

You try to activate Windows, but see 'Activation service unavailable' or 'We can't activate Windo...