Error code: 0x81000037 - In my first back up

Error code: 0x81000037 - In my first back up… I’m gettig this error code every time I’d try to, what could be, a PC or WD Passport problem? Does any one know about it? or did it happens to any one befor?? Any help??? TIA…

Hi there, how are you trying to copy the files? Just manual copy&paste or do you use a program for that? o.o