加拿大海狸卡通图案:电脑出现这样的蓝屏是怎么回事?

电脑在开机时出现这样的蓝屏是怎么回事?它显示的如下:
A problem has been detected and windows has been shut down to prevent damage to your computer.
Page_Fault_In_Nonpaged_area.
If this the first time you've seen this stop error creen,restart you computer.If this screen appears again,follow these steps.
Check to make sure any new hardware or software is properly installed.If this a new installation,ask your hardware or software manfacturer for any windows updates you might need.
If problem 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,restare your computer,press F8 to select Advanced startup options,and then select safe Mode.
Technical information:
***STOP:oX00000050(OXFFB6AOF1,OX000000000,OX805379B4,OX00000000)
Beginning dwmp of physical memory
Physical memory dump complete.
Contact your systen administrator or technical support group for further assistance.

请高手指教,谢谢!