wifi card’s

Hi guys I have a lenovo all in one pc Running windows 8 I have installed easy radar but when I try to open it I get a pop up error 13 mismatch now how do I open it? if all else fails can I use a wifi card on USB?

I also have a Sony experia, When I try to download something 90%of the time I get cannot open unsupported file can someone please help me with these two problems
Thank you
Bob