I don't think StutterFly program would lead your laptop to BSOD. It could be either the movie player itself but I believe it was Norton that cause the crash. You should uninstall it and try other Anti-Virus in market like Avast, Avira, Kaspersky etc.
Tracking cookies can both be harmless or harmful, depends on the cookies that reside on your computer. It save your information from website that you've visited for quick access later on.
If you're still unsure, then it's better to contact HP service centre for advice and further help on your current problem.