Error Message Woes

I need help with an error in Win2000 pro. Everytime I start the machine cold it loads up and then brings up a blue screen with a message somewhat like this: Stop 0x0000050 (0xF000EF75, 0x0000000001, 0xA0012946, 0x000000000) at base A0012946 Date Stamp 3cdb4146 win 32K.sys

Beginning Physical Memory Dump

“Then it cycles through to 100 and reboots and everything is fine. I loaded this machine fresh with Win2000 in the beginning I really don’t want to reload. AMD 1700, 256K, NortonAntivirus, new machine