or you can try this to disable AutoPlay
1.. Double-click My Computer.
2.. On the Tools menu, click Folder Options, and then click the File
Types tab.
3.. In Registered file types, click AudioCD, and then click Advanced.
4.. In Actions, click Play, and then click Set Default.
Note:
a.. You can temporarily disable AutoPlay by pressing SHIFT while you
insert an audio CD.
b.. Repeating steps 1 through 4 enables AutoPlay.
c.. When Play is displayed in bold, AutoPlay is enabled. When Play is
not displayed in bold, AutoPlay is disabled.