As an ex-IBMer, I can also suggest try running the win32 version of Lotus Notes in Wine, instead of the native Linux client. It used much less resources and was stable for me under compiz for years. Only one minor bug with some fonts (http://bugs.winehq.org/show_bug.cgi?id=7520).
** Bug watch added: Wine Bugzilla #7520 http://bugs.winehq.org/show_bug.cgi?id=7520 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/991552 Title: gtk-window-decorator crashes frequently To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/991552/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs