My Windows 8 / 8.1 installation have been BSODing on me since I bought my new gaming PC. Took me a while but eventually tracked down to the "faulty" Immersive Shell component - aka Modern UI, aka Metro UI.
The following article saved my bacon. There are various of other articles, but the this is the correct one, as it points you to change the permission on the following registry key.
Some other article points you to HKEY_CLASSES_ROOT\ClsID but that doesn't work.
Here is the article: