When you install Windows 7 (or Vista) you may get the following message:
Error 0×80070017 Windows cannot copy files required for installation. These files may be corrupt or missing. Make sure all files required for installtion are available, and restart the installation Error code: 0×80070017
This can be displayed with error code 0×80070017 or error code 0×80070570 in Windows 7 or Vista
The cause is very simple and you can probably guess from the error code in the screenshot above. The cause is that Windows cannot verify the files.
Burn or get a new copy of the disk (Burn at a slow Speed 2x and use quality media.