With the increasing numbers of Anti-virus softwares available today, it can be confusing and hard to decide on which Security software to use. Especially now that there are thousands of virus that are across the world wide web that can easily infiltrate our systems. Probably the most commonly detected by Anti-virus softwares is a Trojan type, these usually work ‘silently’ and though sometimes not that dangerous, your PC could end up being corrupted but either way, as a user we should value the security of our PC and that we must ensure that the Anti-Virus software that we will use can function as we expect them to be such as efficient virus scanning, spyware removal, and frequent updates.