Just browsing the internet and listening to music each time.
Windows 7 Home Premium x64 OEM
Only hardware changes are installed a new sound card a few weeks ago (Creative Sound Blaster X-Fi Titanium HD), and just got a new keyboard (Ducky Shining).
Attached is a zip containing a bluescreenview report, the perfmon report and the Windows_NT6_BSOD_jcgriff2 folder.
Hopefully someone has an idea what is going on.