Sadly, an exercise in frustration. dircopy() fails even with sudo instantiate. Someone else reported same that if fails without any warning. Ive tried different warning levels and sudo or user, same thing. Copying from ext4>ext4 USB>USBdrive. Does a consistent 41964 files and hits something it doesnt like. Tried dircopy() naked eg without any callback same issue. bash cp -a sails through the directories with no problems. Al.