Solved by reinstalling the corresponding package fp Following 23 October 10.00 UTC) #apt-get --reinstall install knotes (debian etch) (reinstalling kdelibs4c2a, kdelibs-data, knotes, libkcal2b, libkdepim1a, libktnef1) error message on trying to launch konqueror: There was an error loading the module About-Page for Konqueror. The diagnostics is: /usr/lib/libkhtml.so.4: undefined symbol: _ZN14KURIFilterData6reinitERK7QString ? Thank you for suggesting about. francesco pietra ___________________________________________________ This message is from the kde mailing list. Account management: https://mail.kde.org/mailman/listinfo/kde. Archives: http://lists.kde.org/. More info: http://www.kde.org/faq.html.