I found this fix in the Ubuntu Forums and it worked for me:
Open a Terminal
* sudo gedit /etc/init.d/bluetooth
* Find the "pkill -TERM bluetoothd" line
* Replace it with "pkill -TERM bluetoothd || true"
Save it and run sudo apt-get upgrade. It will prompt you if you want to overwrite the /etc/init.d/bluetooth file, hit N to keep your changes. Then hit enter and it should update correctly.
I found this fix in the Ubuntu Forums and it worked for me:
Open a Terminal
* sudo gedit /etc/init. d/bluetooth d/bluetooth file, hit N to keep your changes. Then hit enter and it should update correctly.
* Find the "pkill -TERM bluetoothd" line
* Replace it with "pkill -TERM bluetoothd || true"
Save it and run sudo apt-get upgrade. It will prompt you if you want to overwrite the /etc/init.
Source: http:// ubuntuforums. org/showthread. php?t=1213573