antivirus

Corgi lounging in front of his Windows 11 PC which displays a message "Running Security Scan"

How Often Should I Scan My Computer for Malware?

Find out when a manual scan makes sense, and how often you should run one for peace of mind.

A Corgi in a bathroom. There are two holes in the walls in different places, each with an eye peering in.

Why Did My Security Software Not Detect a Virus on My PC?

Malware can slip past even a good antivirus program. Using my silliest metaphor yet, I’ll explain vulnerabilities, exploits, and what actually keeps you safe. Learn how infections happen and what you can do about it.

A Corgi in an office setting looking at a Windows PC with the Windows Security scan options on the PC's screen.

How Do I Run a Full Scan Using Windows Defender?

If you’re worried your computer might have malware, running a full scan with Windows Security is one of the best ways to check. I’ll walk you through updating, launching, and completing a full scan, plus explain why it’s not a guaranteed fix on its own.

Virus Detected sign

Why Don’t Anti-Malware Tools Work Better?

Ever wonder why your antivirus program didn’t catch that virus? It’s not broken. Security is a race, and the bad guys are usually ahead. Learn why security tools can’t stop everything, what that means for you, and the most important step you can take to stay safe.

A Corgi sitting in front of a PC displaying Windows Security. The Corgi looks at the camera and gives a "thumbs up".

What Security Software Do You Recommend? (2026 Q3 update)

My updated guide cuts through the hype with four no-nonsense steps to keep your PC safe. Learn what works, what to avoid, and how to stay secure without overspending or overcomplicating.

Malware

Do I Need More Than One Anti-malware Tool?

It’s tempting to think more is better when it comes to security software. In reality, too many can cause trouble.

Virus Detected!

What’s the Best Anti-Virus?

There just isn’t a best. Knowing that will (hopefully) lead you in a safer direction.

Virus in a Picture?

Is anti-virus dead?

Anti-malware tools have never been 100% solutions – but, despite what we hear on the news, they are far from dead!

Data data and more networked data...

How do I safely switch from one security tool to another?

If you follow a few security measures it’s perfectly safe to uninstall an old anti-malware program and then install your new choice.

Windows Defender

Do I Need to Deactivate My Old Anti-virus Before Installing the New One?

It’s best to uninstall old anti-virus software before installing a new one, assuming you make sure to stay safe during the transition.

Virus

Will Anti-virus Programs for Windows XP Stop Being Updated when Microsoft Drops Support?

When support for XP ends, you may find yourself open to unpatched vulnerabilities. Having an updated anti-malware tool is your first line of defense.

Hacker's Hand

Why Doesn’t Malware Appear in the Add/Remove Programs List?

Malware not showing up in the Add/Remove Programs list doesn’t surprise me at all. After all, malware’s success is based on its ability to hide from you!

Tug of War

Do I really need to uninstall these programs to update my anti-virus?

When you install a new anti-malware tool on a machine that has similar programs already, you may see a warning about possible conflicts. Basically, you have three choices to continue.

Windows Defender Offline – Scan Your Computer for Malware Without Booting Windows

Windows Defender Offline is a free Microsoft tool to scan for malware before Windows boots or when it can’t boot at all. It’s can be a convenient approach to removing some stubborn malware.