Introduction - If you have any usage issues, please Google them yourself
For a copy of the file, the black box does not appear to open the text after only need to modify the path behind xcopy, note to use the absolute path, in front of the file path, back is to be copied to the destination path, the other according to their own understanding to modify, after modification can be tested by using CMD, not play the black box, remove the black box, black box! Good luck!