Like some others I also get the error E00070021 ("Cannot access drive") trying to create a full backup (almost instantly after starting it). I am a new TI user (TI9, latest build 2289). I am trying to create an image of my primary disk (C to my external HD using a firewire interface. Shouldn't give problems, should it? In another thread I read about other software that might interfere so I also tried to disable McAfee Virusscan (without success). I also ran a chkdsk without any results. Furthermore I use XP Pro SP2. Then I tried to create a backup of a folder to a temp-folder also on my C-drive. This succeeded. Now my conclusion would be that creating the image directly on the external drive is the issue here. Why would this be a problem? I do not have sufficient space left on my c-drive to do it there! Who can help?