蜀绣居家就业培训:蓝屏崩溃!!!

蓝屏崩溃!!!
有时在玩游戏时,有时在上网时,
都会出现蓝屏,信息为:
A problem has been detected and windows has been shut down to prevent damage to your computer.

KERNEL_STACK_INPAGE_ERROR

If this is the first time you've seen this stop error screen,
restart your computer.If this xcreen appears again,follow
these steps:

check to make sure any new hardware or software is properly installed.
If this is a new installation,ask your hardware or software manufacturer
for any windows updates you might need.

If problens continue,disable or remove any newly installed hardware
or software.Disable BIOS memory options such as caching or shadowing.
If you need to use Safe Mode to remove or disable components,restart
your computer,press F8 to select Sdvanced Startup Options,and then
select Safe Mode.

Technical information:

*** STOP:0x00000077 (0x00000001,0x00000002,0x00000000,0xF8978D1C)

Beginning dump of physical memory
Physical memory dump complete.
Contact your system administrator or technical support group for further
assistance.

谁能告诉我这是怎么一回事啊???
系统配置:windows xp sp2
512MB内存 (256*2)
三星80G硬盘
GF2显卡
技嘉845主板