Programs like VMWare like to disable the CD-ROM “Auto Start” or “Auto Play” feature. here is how you enable or disable the feature:
Click the Start button followed by selecting “Run”.
Type in “gpedit.msc” and click OK.
Click and expand “Computer Configuration”, followed by “Administrative Template”, followed by “System”.
Double click “Disable Autoplay”
Select “Enable” or 'Disable“.
Click “OK”.