I did an upgrade of Ubuntu from 13.04 64bit to 13.10 64bit where IBM Notes 9 stopped working.
After some try and error I finally got it working again after installing some compatibility libraries. These I selected to remove during upgrade (Ubuntu asked nicely if it could remove these and I accepted by mistake)
sudo apt-get install libgnomeprint2.2-0:i386 libgnomeprintui2.2-0:i386 unzip:i386 libart-2.0-2:i386 libasound2:i386 libatk1.0-0:i386 libbonobo2-0:i386 libbonoboui2-0:i386 libc6:i386 libfontconfig1:i386 libfreetype6:i386 libgcc1:i386 libgconf2-4:i386 libgtk2.0-0:i386 libglib2.0-0:i386 libgnome2-0:i386 libgnomecanvas2-0:i386 libgnomeui-0:i386 libgnomevfs2-0:i386 libglib2.0-0:i386 libice6:i386 libjpeg62:i386 liborbit2:i386 libpam0g:i386 libpango1.0-0:i386 libpng12-0:i386 libpopt0:i386 libsm6:i386 libstdc++6:i386 libx11-6:i386 libxcursor1:i386 libxext6:i386 libxft2:i386 libxi6:i386 libxkbfile1:i386 libxml2:i386 libxp6:i386 libxrender1:i386 libxss1:i386 libxt6:i386 libxtst6:i386 zlib1g:i386 alsa-base:i386 alsa-utils:i386
Now it was up and running again!
Since I am using KDE. To get a less blocky IBM Notes it could be a good idea to install:
apt-get install gtk2-engines-qtcurve:i386
And then set this theme in the System Settings.
Do not use oxygen-gtk as a theme since IBM Notes might crash after a few minutes if this theme is used. Se more info here:
Also take a look here for a complete guide to installing Notes 9 on Ubuntu 13.04 64bit: http://wp.me/p1CuQM-hQ