Fuze Wheel

I’ve owned a Fuze for little more than a month when, all of a sudden, I’m unable to turn the wheel other than to grasp it by the edges and turn it.  It no longer seems free to turn…  Any suggestions?

http://forums.sandisk.com/t5/forums/searchpage/tab/message?filter=location&location=Node%3Afuze&q=sticky+wheel

Thanks Tapeworm!