Disregard if none are relevant to your situation.
http://support.microsoft.com/default.aspx?scid=kb;[LN];315350
"Incorrect Function" Error Message When You Access the CD-ROM Drive, DVD-ROM
Drive, or CD-RW Drive
Win XP Fixes: Restore CD/DVD Drives to Explorer
http://www.dougknox.com/xp/scripts_desc/xp_cd_dvd_fix.htm
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
In My Computer, there is no access to your CD-ROMs.
In Device Manager, the following error message appears in connection with any
CD-ROM device that is part of your computer system:
The device is not working properly because Windows cannot load the drivers
required for this device (Code 31).
Device Manager displays the following error message:
A driver for this device was not required, and has been disabled (Code 32 or
Code 31).
You may also receive an error Code 39 message that indicates that the driver is
corrupted.
Device Manager displays the following error Code 19 message, which means that
the registry returned some unknown result:
Your registry might be corrupted. (Code 19)
You may also receive the following error message:
Windows successfully loaded the device driver for this hardware but cannot find
the hardware device. (Code 41)
The Floppy Disk Drive Is Missing in My Computer Folder
http://support.microsoft.com/default.aspx?scid=kb;en-us;812489
Floppy Disk Drive Does Not Appear in the My Computer Folder
http://support.microsoft.com/default.aspx?scid=kb;EN-US;817196