reapher

I don't get it i have rc1 and when win2k startup its goes really slow its just trashing the harddisk and when it is at 75% it sometimes goes on and sometimes crashes what is this, please help p2-450 asus p2b bios 1009 viper tnt agp 16 mb 3com III etherlink quantum cr 8.5 quantum fireball 6.5 adaptec scsi 2904 yamaha scsi 4/4/6 cd-rw mx300 teles isdn modem voodoo2 12 mb