Do a broadband test is not only can determine the best type of service for your computer but it is also used to make sure your anti virus software is properly installed so that your computer is not subjected to incoming viruses or worms that can damage or even cause a computer to crash. Nowadays, there are so many malicious viruses that can wipe your hard drive clean, getting rid of all the information you had stored. This can be especially serious when you are in the business world and depend on this information for your income earning.