Hi, I'm a 64 year old noob to FSX. I bought it about two years ago and have been simming ever since. I just realized that I don't have SP1 & SP2 installed. Problem. I have installed aircraft from Premier Aircraft Design. My DVD stopped working about two months ago. From what I've read I need to do a clean install of both service packs. I have my original program in the box but with no DVD player I can't reinstall. I did, however, backup all my programs (FSX without add-ons) to an external HD. Can I just copy and paste FSX from the external HD to my computer after I un-install it from compu