Blue Screen Laptop Crash

Hi,

My laptop crashed with the following blue screen. I switched it off and it restarted ok, but soon did the same thing again.



This info on the problem was given after startup:

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057

Additional information about the problem:
BCCode: 116
BCP1: FFFFFA80097BD4E0
BCP2: FFFFF88003F9D3BC
BCP3: 0000000000000000
BCP4: 0000000000000002
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\091013-58297-01.dmp
C:\Users\Louise\AppData\Local\Temp\WER-152600-0.sysdata.xml


Can anyone tell me what's causing this and what I can do to stop this from happening?

Thanks in advance.