You are unable to browse a CD in My Computer or Explorer however the CD works perfectly when auto running and installing.
To resolve this issue do the following:
Right click on My Computer and click on Manage
When the Computer Management screen appears, left click on Device Manager
Click the + next to DVD/CDROM Drives to reveal a list of installed drives
Right click each of the installed drives in turn and click Uninstall from the pop-up menu
When this is done click the Action menu and click on Scan For Hardware Changes
The drives will be reinstalled automatically and should now function correctly.