No one wants to deal with those nasty viruses and malware. Having your data corrupted and your hard disk rendered inoperable is the worst nightmare for a computer user. Imagine all those memories from old pictures being gone in an instant when viruses and malware attack your computer. To make matters worse, reformatting is a great hassle. Thus it is best to stop viruses and malware in their tracks before they wreak havoc. As they say, prevention is better than treatment. And in order to help you accomplish these preventive measure here are the 25 best ways to prevent viruses and malware.