When using a computer, it has never been advisable to do guessing or perform trial and error because much time, effort and money is wasted and most of the time you will end up frustrated. So if you have observed your computer to be slowing down in terms of processing time or has crashed a couple of times already, before you purchase any hardware try first a stability scan and registry cleaner download to give you a complete diagnosis. Just look for RegistryBooster 2009 at www.liutilities.com and see how they can optimize your system for you. They even offer instant scan for free.