I'm running 10.8.2 on a MacBook Pro. For the last couple of weeks my Mac has been creating a number of .wmv files on my desktop whenever I wake my computer up from sleep and start using it and I have no idea what's causing this or how to stop it. They go like this: -1.wmv -2.wmv -3.wmv etc etc - it just keeps adding files numerically until I delete them and then it starts from -1.wmv again. There is nothing in the files, they are zero bytes. I've run the disk permissions and verify disk checks and everything appears to be normal. Nothing else seems to be wrong with my computer but there's obviously something not right so am keen to figure this out. Help!!