RickeyRey,
Make sure that you have Free space on the Drive that you are importing the files from also. All of your drives must have some free space, or I have found that this can occur. This was fixed in Hoster 3.120. So you can also go to your store account at:
http://www.mtu.com/support/faq/faq-website.htm to figure out how to get to your update.