1)Click start->run,type GPEDIT.MSC to open Group policy in the microsoft
Management Console.
2)Double-click Computer configuration,double-click Administrative templates,
double-click system,and then click Turn off autoplay.
3)The instruction on your screen describe how to configure this setting.click
Properties to display the settings dialog.
4)Click Enabled,and choose CD-Rom drives,then click Ok,to stop CD autoplay.
this setting does not prevent Autoplay for music CDs.
Thank you.....