Hi Folks - this is such a darn frustrating problem.
Listen, I might not have all the answers, but I did look through this thread and others, and I've come up with a list of things you should try, in order - please feel free to drop by and have a look if you are stuck for answers -
http://www.utheguru.com/solution-ubuntu-linux-binsh-cant-access-tty-job-control-mode-off-error
Cheers,
dockarl