pls give a solution for CD-Rom is opening and closing automatically

In LAN connection , I have connected 10 PC, but the problem is in all
computer CD Rom is open and close automatecally,(But I don't have
internet connection) is it virus Problem or any other solution for it?

http://securityresponse.symantec.com...an.cdtray.html
http://securityresponse.symantec.com...an.suffer.html
perhaps??

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Noel Paton (MS-MVP 2002-2006, Windows)

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"sudhan" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed) oups.com...
> In LAN connection , I have connected 10 PC, but the problem is in all
> computer CD Rom is open and close automatecally,(But I don't have
> internet connection) is it virus Problem or any other solution for it?
>