People use computerization tools and service as much as they use their mouth. It is become a regular need for every person’s everyday lives. There are some believes that computer tool and computerized service are very convenient. In fact, it does make your life become easier as the convenient term has had a higher requirement. People use the computer hard drive as a backup for their own memories. Computer has become their scrapbook, notebook, briefcase, or any kind of important means for pleasure, business, and other kind of important matter. However, computer has a fragile security system. Computer usability can be easily destroyed by a virus or any kind of hostile program that attacks computers operating system and drives. Computer’s information barrier can be easily trespassed if it is connected to any network. Someone with bad means can see your private information with a little effort and the right program. Virus cleaner is made to enhance computer security. It has several ways to give back your convenience and make you feel secure. Their customization feature is the best thing. It has a different recommendation for different habit in using the computer. Every time virus cleaner found possible threats, it would be reported immediately to you thus you could decide whether it is a threat or not.