You may perform the following steps to isolate it:
1. Run Regedt32.exe.
2. Locate the 'UpperFilters' value under the following key in the registry,
and delete it:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11
CE-BFC1-08002BE10318}]
3. Locate the 'LowerFilters' value under the same key, and delete it:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11
CE-BFC1-08002BE10318}]
4. Close the registry editor and restart the computer.
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caution:
I have to delete some registry keys to get my cd-rom and virtual cd back.
For more information please refer the KB article:
CD-ROM Access Is Missing and Messages Cite Error Code 31, Code 32, Code 19,
or Code 39 After You Remove Easy CD Creator in Windows XP:
http://support.microsoft.com/default.aspx?scid=kb;en-us;314060&FR=1&PA=1&SD=HSCH
Some 3d part recording programs cause this problem, therefore
But your 3rd party cd recording software won't work properly after your deleting the registry keys. Please be aware of that. Sometimes its due to more than 1 recording program being installed..