D4nielfree wrote on 2008-04-21: remove /opt/nessus/lib from /etc/ld.so.conf and re-run ldconfig just solved the problem
That solves the Skype/Virtualbox/... problems, but Nessus won't start anymore. So I didn't remove /opt/nessus/lib from /etc/ld.so.conf, instead I deleted all qt-files (libQt*) from /opt/nessus/lib.
Now Nessus and Skype run and VirtalBox 2.0-Windows are drawn correctly.
D4nielfree wrote on 2008-04-21: remove /opt/nessus/lib from /etc/ld.so.conf and re-run ldconfig just solved the problem
That solves the Skype/Virtualbo x/... problems, but Nessus won't start anymore. So I didn't remove /opt/nessus/lib from /etc/ld.so.conf, instead I deleted all qt-files (libQt*) from /opt/nessus/lib.
Now Nessus and Skype run and VirtalBox 2.0-Windows are drawn correctly.