a folder each time try to open it receive Error 0x80070091 and cannot open it,please help me ,I am using an LG external hard disk 500 GB and usually connected to my TOSHIBA laptop core i3 , I have a folder containing more than 200 chapters of a serial TV films ,each time tried to open it had the same above mentioned Error ,and have tried to connect it to my home computer and my sons laptop ,always got same Error ,even when tried to delete it ,they said not empty folder and give same Error information,so please any kind advise help to fix it?