PSE 8 fails to run on new iMac hard drive following Time Machine backup

I had to have my iMac hard disk replaced last week as part of the Apple replacement programme. Following the installation of the new disk I restored the entire Time Machine backup onto the new disk. Most things work perfectly but I get an error message when I attempt to start up PSE 8. The error is Error 150:30 stating "Licence has stopped working". I have attempted a number of things to correct this as described in http://helpx.adobe.com/x-productkb/global/error-licensing-stopped-mac-os.html, but found that much of the FlexNet data that the article refers to does not exist on my machine, so I am unable to complete the recommended steps (I have made hidden files visible). The Flexnet files also don't appear on the backup volume. When I attempt to reload the software with the original disks I just have the disk drive make a bit of noise and then eject the disk. All other CD/DVD's work as normal. Any ideas very welcome