try just waiting, when i installed vista it took forever(2-3 hours), and during that time stuff would just stop responding occasionally, patience is the key here 
__________________
My PC: Core2Duo E6300 @ 1.86 Ghz, Asus P5v-VM DH , 200 GB Maxtor SATA ,2GB (2*1GB Kingston DDRII), Radeon x1650 Graphics (256 mb), 2* Acer 17 inch TFT's, Windows Vista Home Premium
Server: AMD Athlon XP 2800+ 256 Mb Ram, 8Gb IDE for o/s, 2 * 250GB SATAII for storage, Ubuntu Server 7.10
|