When I try to eject my passport essentials 500gb I get this message, " can not eject wd passport essential because some program is still using it". And I do not know what program could be using it? Please help

Cannot eject passport from pc

Joe_S December 16, 2010, 1:20am 2

Something is wirting to it probably. Do you use continuous backup? did you transfer a big fiel just before that?

Joe