Copied Directory Shows Empty on Computer


Hope someone can help me out on this.

I have WDTV Ver 2 with Updated Firmware.

I copied some files over from USB 1 Drive to USB Drive 2 and everything looks OK on the WDTV.

I can view all the files no problems.

Weird thing is when I take my drive and hook it up to my Computer (iMac OSX 10.6.2) I see all the files ok except the for the files that I copied over by selecting the Directories.  The Directories show up empty yet when drive is hooked up to WDTV the directories are not empty?