Compiz-fusion problems with 7.10 “Gutsy Gibbon” related to update from 7.04

Okay, I'm still not sure, I did not find on the Web many pages referring to this problem, but it seems there is a problem with Compiz... The problem applies to Ubuntu 7.10 "Gutsy Gibbon" if you have upgraded from 7.04 "Feisty Fawn" with Compiz-Fusion already installed using the wizard procedure, this issue can lead …