I have a dell demsion 2350 and I recentley had to have my hard drive reformated, now I am trying to get every thing working properly, reistalled windows xp and now am wondering how to get the sp2 back....went to microsoft web site but some how i am not smart enough to find and download it that is even if you can ??can some one help me?? Also how do I update my eternet driver?? I have little yellow question marks by those devices in the device manager? Thanks also what kind of fire wall should I have