I had an almost identical problem, which is posted elsewhere here.
The bottom line is, the CD Drive in my machine, either did not like the media I was using, or was about to fail. I discovered this, by trying the install on another machine, and it went without problems right up to the point where it would have installed if I had let it. Instead, I aborted the installation, as I did not want it on that machine. A replacement CD Drive fixed the issue.
If you have access to another machine, try it. You can allow the installer to progress right up to where you tell it to carry out the installation. At that point abort, and no changes will be made to that machine.
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