My gmail account freezes when I try to attach a file. When the same file is located in My documents folder ?

gmail freezes and cannot attach it. But when I move the same file to desktop or other location there's no such problem.
My gmail account freezes when I try to attach a file. When the same file is located in My documents folder ?
so move all of them to the desktop. tedious but worth the extra time of trying and retrying
name naming