How to speed up your computer

Download our free scanner to check for viruses and malware, and keep reading below for more ways to speed up your computer. 

Common virus symptoms

Lots of pop-ups

They might encourage you to visit unusual sites or download unfamiliar software.

Frequent crashes

Your device can freeze or crash due to hard drive damage from a virus.

Mass emails being sent in your name

Everyone’s worst nightmare: A cyberthief sends mass emails in your name.

Your password suddenly changes

Unusual stuff happens, like a password change, that keep you from logging in.

Slow computer

If your computer suddenly starts running slowly, it could be a virus.

Your homepage is different

Your homepage defaults to a different website or you can’t reset it.

Our free virus scanner stops a
virus infection in its tracks.

How to remove a virus on your computer

Step 1 – Install a virus scanner

Download and install Malwarebytes’ free virus scanner software. Click the “Scan” button and the virus detector quickly scans for viruses.

Step 2 – Review threats

After the online virus scan, Malwarebytes reports on any threats that were found and asks if you want to remove them.

Step 3 – Remove threats

Once you give the ok, our virus removal tool will clean up threats so your device, files, and privacy are secure.

Proactively protect your device from future viruses with Malwarebytes Premium.

Automatically scans and protects against viruses so you don’t have to.

Don’t take our word for it

“We use Malwarebytes on all of our company computers. Our experience is that Malwarebytes is effective and trouble free.”

‒ Robin G.

Fort Worth, TX

“Malwarebytes provides an extra, invaluable layer protection against malicious data, and that makes me and our systems feel safer!”

‒ Billy H.

Sarasota, FL

“Eliminating hundreds of potential malware and trackers every week for our entire organization.”

‒ Raymond P.

Southfield, MI


Is there a difference between viruses and malware?

Does Malwarebytes remove all malware?

How do I remove a virus?

Do Macs get viruses?

Do mobile devices get viruses?

Get started

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