|I marked it as solved, it looks like just you are having this problem, if not, this thread would be full of users with the same problem as you.
I got it working again. It was really simple too.
It works again!
I have running xfce since ages and can't confirm your problem. Thunar and pcmanfm, both work as expected.
Im using gamin.
I also respect towo's comment, yes I know mileage varies but no-one else chimed in and "this" works for "you"