Bad success on Squeez upgrade...

I updated the apt data with aptitude update because has an uncertained unfinished install... Going up. When type the two 'g' to go to install, aptitude go to install some packages and sees the following: Uninstalling accerciser ... [ 7277.110540 ] scrollkeeper-up[4991]: Segfault at 4 ip f7cf4

Problems when Update/upgrade testing with apt/aptitude

Hello! A few days ago, I made an Update/Upgrade with Synaptic. All goes good until when debconf doing configuring menu (or actualize the menu triggers) it stays for ever. I Ctrl-C'ed to finish. Now, I will run apt or aptitude and it shows an error: E: dpkg was interrupted, you must manually