Right click cd rom drives in explorer, choose properties > Auto run, then adjust settings.
OR
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\CDRom]
Autorun
(0=disable, 1=enable)
OR
Download
TweakUI for XP and adjust with that.
Also check "Shell Hardware Detection" in the Services console . Control Panel > Administrative Tools > Services