I just viewed this post but did not see a solution. I just ran into this problem. Here's what I got from the diagnostics. Hope someone can help. The unusual thing is I just put one of my CDs from the drive into my library.
Microsoft Windows 8 x64 Home Premium Edition (Build 9200)
TOSHIBA Satellite C855D
iTunes 11.1.3.8
QuickTime not available
FairPlay 2.5.16
Apple Application Support 2.3.6
iPod Updater Library 11.1f5
CD Driver 2.2.3.0
CD Driver DLL 2.1.3.1
Apple Mobile Device 7.0.0.117
Apple Mobile Device Driver not found.
Bonjour 3.0.0.10 (333.10)
Gracenote SDK 1.9.6.502
Gracenote MusicID 1.9.6.115
Gracenote Submit 1.9.6.143
Gracenote DSP 1.9.6.45
iTunes Serial Number 0171B5D80A5F8FD0
Current user is not an administrator.
The current local date and time is 2013-12-02 19:11:59.
iTunes is not running in safe mode.
WebKit accelerated compositing is enabled.
HDCP is supported.
Core Media is supported.
**** External Plug-ins Information ****
No external plug-ins installed.
iPodService 11.1.3.8 (x64) is currently running.
iTunesHelper 11.1.3.8 is currently running.
Apple Mobile Device service 3.3.0.0 is currently running.
**** CD/DVD Drive Tests ****
No drivers in LowerFilters.
UpperFilters: GEARAspiWDM (2.2.3.0),
Failed while scanning for CD / DVD drives, error 2355.
Virtual drives can sometimes interfere with reading and writing CDs in iTunes. If this is a virtual drive and you are having problems with other drives, try uninstalling the virtual CD application.
D: Unsupported CD or DVD drive.
Virtual drives can sometimes interfere with reading and writing CDs in iTunes. If this is a virtual drive and you are having problems with other drives, try uninstalling the virtual CD application.