Almost two weeks after buying a brand new computer, it's still giving me fits. They one they sold me is an HP with an AMD processor. Other than having trouble with Flash on Firefox it's been doing great, until Sat. night when, while watching a movie on YouTube, the computer suddenly froze up completely and rebooted. Then the next evening, while watching another long video on YT, it happened again. An online acquaintance has talked me into taking this back (I have one more day to do so) and switching it for a Dell with an Intel processor for practically...