Help for Sims 3 problems

[maniac19642003]

Found this just now at Snootysims:

Thumbs up for EA for trying to help with some big problems in The Sims 3. In the new Sims3 forum some solutions are given.
Problem 1 is the Disc Authentication Failure where the disc can't be read correctly. SimGuruDrea gives some help in this topic: http://forum.thesims3.com/jforum/posts/list/7210.page

The 2nd problem concerns not being able to turn off the Story Progression mode. SimGuruLyndsay gives a solution in the following topic: http://forum.thesims3.com/jforum/posts/list/6537.page