With the Internet, the ultimate resource, at our fingertips, we should be able to explore, discover and browse without worrying about the safety of our computer or our information. We should be able to open an e-mail from an address we don't recognize, or click on a link without that pause of trepidation. Unfortunately, the bad typically comes with the good and in this case, the bad comes in the form of viruses, spyware, Trojans, rootkits and other malicious threats designed to worm their way onto our PCs. With Kaspersky Anti-Virus 2013, you can once again browse in comfort with the assurance that your computer is protected and your information is safe. Kaspersky Anti-Virus scans the Web pages you're visiting for harmful threats and blocks dangerous content from incoming and outgoing e-mail messages. With its Exploit Prevention feature, you are protected from vulnerabilities in popular programs such as Adobe Reader, Internet Explorer and Firefox that can offer an easy gateway for malicious programs, by analyzing and controlling the actions of these programs. Kaspersky's File Advisor gauges the potential threat of any file you'd like to access, and System Watcher allows you to detect and undo most of the unwanted activity performed by malware that has already found its way onto your computer. With its ability to receive data compiled by its millions of users and uploaded to the cloud, Kaspersky Anti-Virus updates your protection against real-time emerging threats. Best of all, this software offers comprehensive protection without slowing down your computer or Internet speed thanks to small, smart updates and behind-the-scenes intelligent scanning.