![in the middle of my upgraded from 11.10 - 12.04 it was interupted with an electrical outage, when the power is back and as i resume my upgrade i was asked for "partial install". and after the process is complete. all cleaned up.
i got these error prompt. "/usr/share/apport/apport-gpu-error-intel.py" and "The application Unity 2D Shell has closed unexpectedly" and i can't play any videos from any player as well. it will just display a black screen and only the audio will play. help.]