can not get past log in screen locks up puter
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 1 (2600.xpsp2.030422-1633)
Language: English (Regional Setting: English)
System Manufacturer: NVIDIA
System Model: AWRDACPI
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: AMD Athlon(tm) , MMX, 3DNow, ~1.3GHz
Memory: 1024MB RAM
Page File: 126MB used, 2336MB available
DirectX Version: DirectX 9.0a (4.09.0000.0901).5.30)
Card name: RADEON 9800 PRO (Omega 2.5.30)
Manufacturer: ATI Technologies Inc. (Omega 2.5.30)
Chip type: RADEON 9800 AGP