Years ago, I had the same concern. But since I never had such problem, I decided not to worry about it. Koichi Yasutani - a.k.a. Steve + MP Lakewood, WA U.S.A. 2010 / 11 / 20 19:06 PST On Nov 20, 2010, at 1522 , Dave wrote: > The problem was (by elimination) corrupted data in the boot sector. It was > probably the result of doing a huge update to the OS over the wireless net. > They suggested using an Ethernet cable when doing updates.