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Fix Windows Activation Authentication Failed Error: License Not Genuine

When you see a message like “Windows activation authentication failed” or “license not genuine,” ...

How to Check Chrome Browser Version Compatibility

You're testing a new web app or extension, and it fails to load or behaves oddly. Often the culpr...

Fix Remote Desktop Fails to Start with No Error

You click to start a Remote Desktop session, the connection window appears briefly, then closes w...

Outlook Cannot Connect to Server: Practical Fixes

When Outlook says it cannot connect to the server, email stops syncing and you may see a “Disconn...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

How to Fix Windows Defender Threat Service Stopped

If Windows Defender shows a yellow warning that the threat service has stopped, real-time protect...