Checklists for software errors, setup, and tool workflows.

Fix 'Windows Activation Module Not Found' via Command Prompt

When you try to activate Windows and see an error that the activation module is not found, it usu...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Antivirus Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager under Command Prompt, your antivirus software may be...

How to Fix Windows Update Error 0x80070643

You try to install the latest Windows updates but get error 0x80070643. This usually means the up...

Fix Windows Activation Failed After Update

After a Windows update, you might see an activation error like "Windows failed to start" or "Acti...

Check if a Port Is Already Allocated Using Command Prompt

When you start a service or application and get an error like "Address already in use" or "Port i...