click on sysinfo
this error
Si verificato un errore durante il caricamento del modulo KHTML.
La diagnosi :
Impossibile caricare la libreria /usr/lib64/kde4/libkhtmlpart.so: (/usr/lib64/libkhtml.so.5: undefined symbol: _ZN6Phonon11VideoPlayerC2EP7QWidget)

(in english error durig uploading KHTML module
the diagnosys is:
impossible upload the library /usr/lib64.....)

and then this:
Sembra che ci sia un errore di configurazione. Hai associato Konqueror con application/x-sysinfo, ma Konqueror non pu gestire questo tipo di file.
(in english it seems that there is an error of configuration, You have associated Konqueror with application/x-sysinfo, but Konqueror cannot manage this kind of file)

I didn't made anything of this
and if I open Konqueror4 and try to navigate in internet it gives me the same error

what happen??