@xur17: I checked my n900 and in /usr/lib I found libQtMedia.so, libQtMedia.so.1 and so on. I did a Code: dpkg --search libQtMedia.so* and dpkg told me that this file was installed by libqtm-multimedia. My deb includes the dependency information that should automatically install libqtm-multimedia. Can you try the following: Check if /usr/lib/libQtMedia.so* exists on your n900. Also Code: apt-get --reinstall install libqtm-multimedia should reinstall and restore files that may have been deleted.
dpkg --search libQtMedia.so*
apt-get --reinstall install libqtm-multimedia
libbQtMaemo5.so.4.6 libQtWebKit.so.4.6 libQtMaemo5.so.4.6.2 libQtWebKit.so.4.6.2 libQtMultimedia.so.4 libQtXml.so.4 libQtMultimedia.so.4.6 libQtXml.so.4.6 libQtMultimedia.so.4.6.2 libQtXml.so.4.6.2 libQtMultimediaKit.so libQtXmlPatterns.so.4 libQtMultimediaKit.so.1 libQtXmlPatterns.so.4.6 libQtMultimediaKit.so.1.0 libQtXmlPatterns.so.4.6.2 /usr/lib # vi libQt /usr/lib # dpkg --search libQtMedia.so* dpkg: *libQtMedia.so** not found.