I'm glad you are asking the magic question

Read this recent thread on that topic: HERE

..and MORE importantly, check out my reply including my current brand new rig running Vista 64bit Ult, AND PLEASE read the .txt file attachment at the bottom of my post there for an explanation on why I've NEVER had any issues in the last 11 yrs. at all
VIEW MY REPLY AND MY RIG HERE

Any questions regarding my setup, please feel free to ask