Sergio, I tried multiple convert (3 books) from EPUB to MOBI and it was successfully and books opened fine. But I used the latest version of calibre 0.8.51 from this PPA: https://launchpad.net/~bodiltv/+archive/ppa
-- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to calibre in Ubuntu. https://bugs.launchpad.net/bugs/993652 Title: Calibre crashes on startup after upgrade from 11.10 to 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/993652/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : edubuntu-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp