You could try using Robocopy(I never used it myself, so I don't really know how to do it) it's supposed to be faster and better. It's a built in command line tool. For more information search in your browser. But as a side note there is also a GUI for it to download at Microsoft TechNet And for examples on using the command line version: Robocopy and a Few Examples - TechNet Articles - United States (English) - TechNet Wiki

Maybe that can speed things up when you have a lot of & large files to copy.