How to check if my computer has a virus?

You can start by running a free Norton Security Scan to check for viruses and malware.

I see pop-ups or I am redirected to different websitesYou may notice the small windows which 'pop up' on the top of the website, or when you try to visit a website, your expected website does not open and instead gets redirected to another website. This problem may happen if you have a browser hijacker that is accidentally installed on your computer. Some of these browser hijackers are bundled with free applications or the programs that you may have downloaded from the Internet.

You can then remove existing viruses and malware with Norton Power Eraser. Norton Power Eraser will perform a scan and give you onscreen instructions. If needed, you can call Norton for technical assistance. After following the instructions, restart your computer.

My computer freezes and I see an alert that asks me to send money : If you browse the Internet, and suddenly the computer screen freezes with a pop-up message saying that your computer remains locked until you pay a fine, then your computer has been infected with a type of malware known as ransomware. If you browse the Internet, and suddenly the computer screen freezes with a pop-up message saying that your computer remains locked until you pay a fine, then your computer has been infected with a type of malware known as ransomware.

I think I've been scammed by fake support: A technical support scam is a form of the Internet fraud that currently gains momentum on the Internet. They often gain the consumers' trust by misrepresenting their relationship with reputable companies, and prey on consumers' fear of their computer becoming infected with viruses and malware.

My computer runs slowly: Your computer's performance can degrade due to several factors that may become more apparent when you start your computer, browse the Internet, or while you start an application. Before you can fix this problem, it's best to determine when do you experience slowness in your computer.

I cannot start my computer: A computer that no longer starts in the Windows mode indicate either the presence of a potential threat or some software driver problems or hardware problems that prevent it from loading Windows. Running Norton Bootable Recovery Tool may fix it, if the problem is due to the presence of a virus.