I have experiences with IE8, IE10 and IE11 - and none of them will work with the Pentax FluCard. Strangely enough because the FluCard uses simple HTML-code and Java script, but that's nonetheless a fact, (maybe something with IE security settings????).
I also wanted the large PC screen image and my solution was and is: Use Chrome or Firefox. I havent used Firefox for a long time, but Chrome works every time).
Tip: When you use a PC: You will have to minimize the browser window so that you get the full vertical screen image in your browser. Otherwise, the camera controls will not show up on the screen.
Hope, this helps; (for more details, you might consult my review here:
FluCard O-FC1 for PENTAX)