It seems that there has file system errors on the source boot partition ( Usually C: ), so please run chkdsk to scan the source boot partition and see if it have file system errors. If Yes, fix it and try again.
You can refer to the link: http://technet.microsoft.com/en-us/libra...a6a4e.aspx
You can refer to the link: http://technet.microsoft.com/en-us/libra...a6a4e.aspx