Antivirus

You must use an antivirus to protect your computer from malicious software. Do not forget to update it frequently. There are many of them available, such as Norton Antivirus and F-Prot Antivirus .

Firewall

It is highly recommended that you use a firewall in conjunction with an antivirus to protect your computer. Firewalls can protect your computer from external attacks, from pop-ups, and from spyware. Again, make sure it is up to date. ZoneAlarm is a very good firewall, but many others also exist

Adware Cleaning

Adware is present in many places on the Internet. It is very easy to catch one. They send information to various companies, to ad agencies, and to hackers. IT is very important to have a program that can clean them out of the filesystem. Again, as all protection programs, they Adware removers must be updated frequently. Ad-Aware is very good at its job, but, as with all other programs, there are alternatives.