countered the " error too, it seems to appear when there's no DirectX folder in the ISO.
To fix this extract the ISO's content in a folder and create a folder named "DirectX" in the SetupData folder of the game. After that, just fetch DirectX's setup application from microsoft's site and put it in the new DirectX folder while renaming it "dxsetup.exe" if did not already have this name.
Then, you can launch the game's instalation by launching the "Setup.exe" or "Autorun.exe" files from the folder or remake an ISO from the extracted files with the added folder.
Hope this helps those that also encounter this issue.