There are no dump files attached, it's best to make sure that Windows has been configured to save Minidumps
upon a BSOD:Install Service Pack 1:
Microsoft Windows 7 Home Premium 6.1.7600 N/A Build 7600
Service Pack 1 has provided many security and stability updates for Windows 7, which would be highly beneficial for your system.
Check and install any additional Windows Updates: Start
> Type: Windows Update
> Scan for Updates Remove:
Start Menu\Programs\Norton Security Suite
Norton is a very heavy real-time protection program, and can cause BSODs in Windows 7.
Install and perform full scans
Remember to install the free version
of Malwarebytes not the free trail; untick the free trial box during installation. MSE is the most lightweight and compatible with the Windows 7 operating system.
You can also view this thread for a complete free and lightweight security protection combination: