Error ejecting disc everytime i write to disc

[zine92]

Everytime i use the write to disc function for the downloaded .iso files. Everytime i burn and after finalizing, it will say something about error when ejecting and i have to manually eject the disc.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+3ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic x86_64
Architecture: amd64
Date: Fri Apr 2 12:01:32 2010
DkmsStatus:
 virtualbox-ose, 3.1.4, 2.6.32-17-generic, x86_64: installed
 virtualbox-ose, 3.1.4, 2.6.32-16-generic, x86_64: built
 virtualbox-ose, 3.1.4, 2.6.32-19-generic, x86_64: installed
 virtualbox-ose, 3.1.4, 2.6.32-18-generic, x86_64: installed
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
MachineType: LENOVO 4063EC6
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-19-generic root=UUID=8e464eca-60a9-4050-90fc-ca82adbeb7b9 ro splash vga=799 quiet quiet splash
ProcEnviron:
 LANG=en_SG.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
dmi.bios.date: 11/26/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 6FET82WW (3.12 )
dmi.board.name: 4063EC6
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6FET82WW(3.12):bd11/26/2009:svnLENOVO:pn4063EC6:pvrThinkPadW500:rvnLENOVO:rn4063EC6:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4063EC6
dmi.product.version: ThinkPad W500
dmi.sys.vendor: LENOVO
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-19-generic