Hi Stewfss,
Have you checked with different installation CDs?
The issue could be related to Auto play settings, I would suggest you to try the following steps:
Step 1: Firstly, check with different installation CDs and let me know if it works fine as expected.
Step 2: Change Auto play Settings
Follow these steps to specify what should happen when you insert installation CD into your computer.
1. Open AutoPlay by clicking the Start button, clicking Control Panel, clicking Hardware and Sound, and then clicking AutoPlay.
2. Under Media, locate Software and games and select install or run program from your media from the drop down.
3. Click Save.
Step 3: Also open the CD by double clicking on the drive and browser through the contents of the CD to check if Auto play file present.
Now check to see if the issue is resolved and let me know
Thanks and Regards:
Ajay K
Microsoft Answers Support Engineer
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