I'm new, and when I try running SL with its own viewer or the Firestorm viewer, it simply displays a white screen and has to be closed with Task Manager. Here are some information that may be helpful: 1) Sony Viao 2) Windows 8.1 3) An Intel HD Graphics 4000 and an NVIDIA GeForce GT 640M LE. I've never figured out how to tell which video card is displaying stuff...I just hope the NVIDIA is doing games and the Intel is doing the boring Windows stuff. 4) Cable internet from Comcast (unfortunatel