Basically, computer errors are the result of a number of things that may or may not have anything to do with the way the computer is used. They "operate" whenever there's a conflict among commands. Remember that computers essentially run off of a series of commands and it's usually a smooth process. So even though your co-worker may have emailed a funny video, it's no more safe to open than a video downloaded from a complete stranger. Be safe and scan each and every file you download from the Internet or receive through email regardless of where it came from. 4. Create a barrier between your computer and prying eyes. Computers are everywhere. Take a moment to try and think of a place a business where you didn't see a computer in use. From the small local corner store to the largest hospital, computers are in every gas station, grocery store, bank, restaurant, beauty shop, and doctor's office around. From a consumer's point of view - you may not think that's much to worry about. Computer salespersons are hired for a reason - and that's their knowledge. Often, these kind folks can help you resolve an issue over the phone and prevent you form having to buy a costly solution. As you can see, help is easy to find - You've just got to know where to look for it. Most of the contacts within these resources are extremely friendly and willing to take the time to walk you through a problem at little to no cost. Interestingly, we can count at least ten different graphics packages that are more popular and widely used than this free one. While it doesn't offer as many editing tools, it does provide the essentials and it can open/save graphics in .bmp, .gif, and.jpg format (the latter two being the most commonly format used for Internet eye candy). The fan is located on the computer's CPU unit and when that thing gets clogged with dirt and dust, it can run down a computer faster than you can say, "Something's wrong with my computer and I don't know what it is!" In short, the fan is responsible for keeping a computer's motor cool and this motor is what keeps the computer's hard drive and peripherals functioning the way you need them to, which translates to "fast.