"1 In the past, we would be comfortable in telling new computer users not to worry about viruses and that catching a computer virus is rare. Today, that would be some of the worst advice we could give anyone. As reported in countless news reports, computer viruses are rampant and they're extremely worrisome. Fortunately you have this article to guide you through some of the most common extensions that you'll run into. But before you can see file extensions, you need to turn them on. From Windows Explorer, click on the "Tools" menu, and select "File Options." Click the "View" tab and then uncheck the box next to "Hide file extensions for known file types. In other words, we can discover whether the software performs the way we want them to and should anyone try to do the same with commercial software, they'll be in for a big disappointment. Commercial software policy doesn't even allow for returns, let alone "borrowing" them to try them. The last advantage that shareware has over commercial software (but certainly not the least) is its applicability. It may be a hassle to type it in each time they want to get online, but it's better to know the times that they connect than to have them sneak online without your permission and knowledge of their activities. The second step towards protecting your children online is using the computer together. Siting next to your child while he or she peruses the Internet, you can guide him or her to make safe and intelligent decisions. Deletion programs will analyze a computer's operating system and installed programs to determine which files are crucial to computer function versus which files are safe to delete. You already have such a program on your computer and it's Windows' Add/Remove Programs (available from the Control Panel). It displays commands just like what you see on a File menu or a Help menu. Input box - input boxes are usually small rectangles that allow you to type data into a simple interfaces like a webpage or browser window. If you find that you can't type information into one of these, you can effectively resolve the issue with a technician by calling it an input box, rather than a "white rectangle," or "place to put in text.