Hi Neal ManBear,
I rebooted, deleted /var/cache/apt/archives/opera-11.60-1pclos2011.i586.rpm, and reinstalled Opera Twice... And Opera 11.50 is still running when I select Opera from menu, but... I did Alt+F2 and a version of Opera 11.60 booted, I have 2 versions of Opera running...
How to solve?