Hi ...
This problem and its resolution is described in the following Microsoft
Knowledge Base article:
http://support.microsoft.com/default.aspx?scid=kb;en-us;314060
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
A missing CD-ROM, CD-RW, or DVD-ROM drive in Windows Explorer seems to be a
fairly common problem in Windows XP. Sometimes this happens after a Windows
upgrade, sometimes after a new program installation, and sometimes suddenly
for no apparent reason at all. If you look in Device Manager, you might see
one of these errors:
The device is not working properly because Windows cannot load the drivers
required for this device (Code 31).
A driver for this device was not required, and has been disabled (Code 32 or
Code 31).
Your registry might be corrupted. (Code 19)
The driver is corrupted. (Code 39)
Windows successfully loaded the device driver for this hardware but cannot
find the hardware device. (Code 41)
The method for correcting any of these problems is to delete certain keys in
the Registry. Click on the Start button, select Run, type in REGEDIT and
click OK. Locate and click on the following key in the left pane of the
Regedit window:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\
{4D36E965-E325-11CE-BFC1-08002BE10318}
In the right pane, there will be two values called Lowerfilters and
Upperfilters. Right click on each and select Delete from the Context Menu.
Then close Regedit and re-boot. You might need to reinstall any CD recording
software on your computer if there is lost functionality.
It is dangerous to use the Registry Editor, as a mistake may cause your
computer to be unbootable. If you prefer, you can download a script to
perform the Registry edit; it can be found at:
http://www.dougknox.com/xp/scripts_desc/xp_cd_dvd_fix.htm
Restore CD/DVD Drives to Explorer
http://support.microsoft.com/?kbid=314096
hope it helps ...