You can download manually the previous version from here: https://launchpad.net/ubuntu/natty/+source/qt4-x11/4:4.7.1-0ubuntu9
And replace the libQtOpenGL files in /usr/lib/ It's ugly but it works.
You can download manually the previous version from here: /launchpad. net/ubuntu/ natty/+ source/ qt4-x11/ 4:4.7.1- 0ubuntu9
https:/
And replace the libQtOpenGL files in /usr/lib/
It's ugly but it works.