Blue screen of death

About three times now, about a month apart, I get a blue screen on my laptop. I have attached a picture of what it looks like. Can you tell me what it is, what it means and how I make it stop doing it?


Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: Intel(R) Core(TM) i3-2310M CPU @ 2.10GHz, Intel64 Family 6 Model 42 Stepping 7
Processor Count: 4
RAM: 3947 Mb
Graphics Card: Intel(R) HD Graphics Family, 1845 Mb
Hard Drives: C: Total - 595017 MB, Free - 466224 MB;
Motherboard: Acer, JE50_HR
Antivirus: Norton AntiVirus Online, Updated and Enabled

Attached Thumbnails