Vern wrote:
>have lost my dvd rom and the cd rom>>

The problem may be related to UpperFilters and LowerFilters.

Although the problem is more common in Vista, the same procedure applies to XP.

Start regedit, and go to 
HKLM-system-currentcontrolset-control-class-{4d36e965-e325-11ce-bfc1-08002be10318} 
And remove UpperFilters (the entry may contain info about incd).

Also remove LowerFilters from the same location, if it is there.

Disable any incd services and auto-startup programs.

Reboot.

More here:

http://support.microsoft.com/kb/256986/

Don Penlington


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