An error has occurred during the delete operation. Some files may not have been processed...then to click OK
Some files may not have been processed...
Bridge is very lousy on multi tasking. So if you perform one task and before it has finished start an other it is likely the cross each other and one stops the other.
Otherwise, as per post 2, provide more details.
I was trying to delete some files on an external LaCie 2 TB Rugged XL. It just may be that particulal external drive. I have not had problems with my other external drives except this one. I'm afraid to load any more photos onto this drive for fear of losing them all or corrupting the files that are currently there.