Currently Being ModeratedMay 29, 2012 6:14 AM (in response to JTL47)
Try a low level reformat of the device's hard drive using Disk Utility. See this article for instructions.
Currently Being ModeratedMay 29, 2012 8:33 PM (in response to planb77)
Good advice; thanks. I'm saving the link for future use. The problem was solved by re-installing iTunes, even though it had just recently been updated. Everything works...for now.