I tried to upgrade to 13.10, which took several hours and eventually the computer just froze. I waited 24 hours and finally shut down. I am now not able to do anything even in recover mode. The error message I get in root says I have to manually run "dpkg --configure -a" to correct the error but it doesn't recognize that. I'm probably doing it wrong. "apt-get update" does nothing. I mean nothing, it just hangs there. The "repair" option also does nothing.
I'm currently booting from my old version 7 disc. I am completely ready to give up on Ubuntu. Up until 12.10 I liked it a lot better than Windows, but my upgrade to 12.10 was a disaster, and this is even worse. This OS is supposed to be user-friendly for those of us who are computer illiterate, and when I started using it it was, but every new version seems to have more and more problems and require more and more computer knowledge just to use it.