Help blue screen

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) i5-2410M CPU @ 2.30GHz, Intel64 Family 6 Model 42 Stepping 7
Processor Count: 4
RAM: 6091 Mb
Graphics Card: Radeon (TM) HD 6630M, 1024 Mb
Hard Drives: C: Total - 696442 MB, Free - 342245 MB; D: Total - 18657 MB, Free - 2006 MB;
Motherboard: Hewlett-Packard, 3385
Antivirus: Norton Internet Security, Updated and Enabled

I keep getting a blue screen every time I try and download something. This is the error message I am getting after I re-boot. Any ideas as to what is going on?

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 4105

Additional information about the problem:
BCCode: 50
BCP1: FFFFF881695EDB60
BCP2: 0000000000000000
BCP3: FFFFF88005970A18
BCP4: 0000000000000005
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\021114-31340-01.dmp
C:\Users\Dale\AppData\Local\Temp\WER-56924-0.sysdata.xml