Steve Litt <slitt <at> troubleshooters.com> writes:
> > I had an almost identical problem a few months ago, on Ubuntu 11.04. > In my case, the solution that fixed the problem was to uninstall LyX > through Synaptic, download the latest stable LyX from LyX.org, and > then install it the old fashioned way, ./configure;make;make install. > Be aware that LyX has some pretty hairy dependencies, especially as > concerns Qt4. I basically had to install almost everything having to > do with Qt4 to get it to work, but once so installed, LyX worked > perfectly. If, like me, you are averse to Adventures in Dependencies (and like to use Synaptic), you can find a DEB package for LyX 2.0.1 at http://www.getdeb.net/updates/Ubuntu/11.04/?q=lyx. Works fine for me.