Virus definition is the list from which the program will use to determine whether your computer has been infected with any kind of virus or not. Clearly, the virus definition plays an important part in protecting your computer from virus threats. If the virus definitions are updated or better, they will work more efficiently in preventing your system from the threats or infections. So, one must choose a software or program that has better or more updated virus definitions.
Automatic Updating of Virus Definition:
Although it is not a difficult task to manually update your antivirus or virus scan program’s virus definition, it is better that the software automatically updates your previous virus definition.
World Wide Web Protection:
There are some antivirus or virus scan programs that do not have the capability to protect your computer from the World Wide Web. Make sure that the one you are going to purchase protects your computer from World Wide Web, as most of the computers are infected with viruses when they are connected to the Internet.
Viruses are also spread through Emails, and a good antivirus or virus scan program has the capability of scanning all the incoming and outgoing emails to protect one’s computer from getting infected.
Automatic Scanning Schedule:
Most of the antivirus or virus scan programs have the option to scan one’s computer on a regular basis automatically. While purchasing the software, ensure that the one you are going to buy has this feature, as it will eventually help you protect your system from getting infected with viruses.