It is estimated that there are about 70,000 viruses that affect Windows systems. If you are using a Windows operating system, it is essential that you use an anti-virus software on your PC. An anti-virus software detects the presence of virus, and other related threats on your computer, and checks the spread of virus from potential sources such as spam, e-mails, web pages, pop-ups, etc. A virus has the potential to damage the hard drive of your computer. Once a virus enters the system, it is not easy to remove it as it comes with the ability to replicate itself. A computer virus is a program that attaches itself to files, and spreads from one computer to another during the process of transfer of files. This article, with its computer security software reviews, helps you do just that!Ī computer security software, as the name suggests, is a software program which when installed into your computer, secures it from external threats such as virus, malware, spyware, botnets and the like. Is the thought that your computer security might be compromised, giving you sleepless nights? Worry not! You need to choose a security software that protects your computer from all kinds of threats.