Code19 on sony cdrwdvd

Your CD drive or DVD drive is missing or not recognized by Windows or other programs, so you cannot play or access a CD or DVD. This issue might have occurred after you installed, uninstalled, or updated a program or Windows Vista.

This issue may have occurred after one of the following situations:

• You upgrade a computer to Windows Vista or install Windows Vista Service Pack 1.
• You install or uninstall CD or DVD recording programs.
• You uninstall Microsoft Digital Image.

You may see one of the following error messages:

• One of the following error messages appears when you view the CD drive or the DVD drive in Device Manager.
  
  Error message 1 The device is not working properly because Windows cannot load the drivers required for this device (Code 31). Error message 2 A driver for this device was not required, and has been disabled (Code 32 or Code 31). Error message 3 Your registry might be corrupted. (Code 19)
• An "error code 39" error message.
• A message that resembles the following appears in the notification area: Windows successfully loaded the device driver for this hardware but cannot find the hardware device. (Code 41)
• you can find this information and more at this site..
• http://support.microsoft.com/kb/314060