Since you have Nero Startsmart means you also have Nero InfoTools you can run that utility and it will give you a lot of info on your drives, after you run it make sure your problematic drive/burner is selected in the dropdown window at the very top.
The firmware version will be listed, [B]but as I stated before you can try uninstalling the drive in “Device Manager” doing this does and has fixed many problems with drive/burners ;)[/B][/QUOTE]
I would do this now, with whatever firmware you have (you have nothing to lose).
Go into Device Manager, find your burner-> right click-> Properties-> Uninstall, then reboot.
You could also then try this little app:
Your Pioneer DVD-RW DVR-111D is an older drive the latest firmware is still years old. It might simply be time to get a new drive, they are cheap.
Read the reviews right here at CDFreaks for solid choices.