Using Parallels 7 build 7.0.14924 on a new computer using OS 10.6.8. Parallels is installed, but when trying to install Windows 7 from a DVD where I burned an ISO image (hope I'm using the right terms as I'm not a PC person) from a purchased copy of a Windows 7, I get the following messages. As I had done this previously with a MacBook I no longer have and it was successful with Parallels 6, I don't know where to go. I have tried everything. All hardware is checked off as being installed in the Windows 7 configuration, and the HD is at the top of the list. Really stymied.