I understand Windows Backup stops at 13%.
The issue in the following thread appears to be similar. What fixed it for them was turning off system restore (system restore), rebooting, enabling it, and rebooting one final time.
http://www.sevenforums.com/backup-restore/29163-backup-stops-15-will-not-continue.html
I would try these steps to see if it helps any.
The issue in the following thread appears to be similar. What fixed it for them was turning off system restore (system restore), rebooting, enabling it, and rebooting one final time.
http://www.sevenforums.com/backup-restore/29163-backup-stops-15-will-not-continue.html
I would try these steps to see if it helps any.