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Non so cos'è successo ma nella scheda degli screensaver nn compaiono più gli screen saver!! vedi foto! cosa si può fare?

Che hai fatto per farli sparire? Hai rimosso kdeartwork per caso?

non mi pare ....infatti:
leonardo@darkstar:~$ ls -l /var/log/packages/kdea*
-rw-r--r-- 1 root root 161031 2008-05-24 14:00 /var/log/packages/kdeaccessibility-3.5.9-i486-2
-rw-r--r-- 1 root root 24347 2008-05-24 14:00 /var/log/packages/kdeaddons-3.5.9-i486-2
-rw-r--r-- 1 root root 12796 2008-05-24 14:00 /var/log/packages/kdeadmin-3.5.9-i486-2
-rw-r--r-- 1 root root 414913 2008-05-24 14:01 /var/log/packages/kdeartwork-3.5.9-i486-2
leonardo@darkstar:~$

leocata ha scritto:Non so cos'è successo ma nella scheda degli screensaver nn compaiono più gli screen saver!! vedi foto! cosa si può fare?

Prova a dare un'occhiata al file .xsession-errors nella tua home, forse viene riportata qualche indicazione.

Ciao.

lo posto.... ma quanati errori!!!
.xsession-errors:
-------------------------------------------------------------------------
xset: bad font path element (#263), possible causes are:
Directory does not exist or has wrong permissions
Directory missing fonts.dir
Incorrect font server address or syntax
startkde: Starting up...
kbuildsycoca running...
DCOP Cleaning up dead connections.
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 20
Minor opcode: 0
Resource id: 0x1c00026
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 20
Minor opcode: 0
Resource id: 0x1c00026
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 19
Minor opcode: 0
Resource id: 0x1c00026
kdecore (KAction): WARNING: KAction::insertKAccel( kaccel = 0x8099870 ): KAccel object already contains an action name "play_pause"
QLayout "unnamed" added to QVBox "unnamed", which already has a layout
kdecore (KAction): WARNING: KAction::insertKAccel( kaccel = 0x8099870 ): KAccel object already contains an action name "play_pause"
QLayout: Adding KToolBar/mainToolBar (child of QVBox/unnamed) to layout for PlaylistWindow/PlaylistWindow
QObject::connect: Incompatible sender/receiver arguments
StarManager::ratingsColorsChanged() --> ContextBrowser::ratingOrScoreOrLabelsChanged(const QString&)
Amarok: [Loader] Starting amarokapp..
Amarok: [Loader] Don't run gdb, valgrind, etc. against this binary! Use amarokapp.
Opener: received SetSecret
Opener: received SetSecret
Opener: received OpenLock

Opener: received OpenDevice
Opener: received ExecPPPDaemon
In parent: pppd pid 3135
Couldn't find interface ppp0: No such device
Kernel supports ppp alright.
Couldn't find interface ppp0: No such device
Opener: received RemoveSecret
Opener: received RemoveSecret
Opener: received OpenResolv
Opener: received OpenResolv
Opener: received KillPPPDaemon
In killpppd(): Sending SIGTERM to 3135
Opener: received RemoveLock
It was pppd that died
pppd exited with return value 5
Sending 3131 a SIGUSR1
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 19
Minor opcode: 0
Resource id: 0x1c00031
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 20
Minor opcode: 0
Resource id: 0x1c00031
Opener: received SetSecret
Opener: received SetSecret
Opener: received OpenLock

Opener: received OpenDevice
Opener: received RemoveSecret
Opener: received RemoveSecret
Opener: received OpenResolv
Opener: received OpenResolv
Opener: received RemoveSecret
Opener: received RemoveSecret
Opener: received OpenResolv
Opener: received OpenResolv
Opener: received RemoveSecret
Opener: received RemoveSecret
Opener: received OpenResolv
Opener: received OpenResolv
Opener: received KillPPPDaemon
Opener: received RemoveLock
Opener: received KillPPPDaemon
Opener: received KillPPPDaemon
kppp: ERROR: write() in Modem::writeLine failed
kppp: ERROR: write() in Modem::writeLine failed
Opener: received SetSecret
Opener: received SetSecret
Opener: received OpenLock

Opener: received OpenDevice
Opener: received ExecPPPDaemon
In parent: pppd pid 3181
Couldn't find interface ppp0: No such device
Kernel supports ppp alright.
Opener: received OpenResolv
Opener: received RemoveSecret
Opener: received RemoveSecret
kbuildsycoca running...
Reusing existing ksycoca
kio (KService*): WARNING: The desktop entry file .hidden/dirfilterplugin.desktop has Type=Service but is located under "apps" instead of "services"
kio (KService*): WARNING: Invalid Service : .hidden/dirfilterplugin.desktop
kbuildsycoca: WARNING: '/usr/share/applications/openoffice.org2.3-base.desktop' specifies undefined mimetype/servicetype 'application/vnd.oasis.opendocument.database'
kbuildsycoca: WARNING: '/usr/share/applications/kde/ark.desktop' specifies undefined mimetype/servicetype 'application/x-tbz2'
kbuildsycoca: WARNING: '/usr/share/applications/kde/ark.desktop' specifies undefined mimetype/servicetype 'application/zip'
kbuildsycoca: WARNING: 'karm_part.desktop' specifies undefined mimetype/servicetype 'text/english'
kbuildsycoca: WARNING: 'karm_part.desktop' specifies undefined mimetype/servicetype 'text/x-c'
kbuildsycoca: WARNING: 'karm_part.desktop' specifies undefined mimetype/servicetype 'text/x-c++'
kbuildsycoca: WARNING: '/usr/share/applications/Thunar-folder-handler.desktop' specifies undefined mimetype/servicetype 'x-directory/gnome-default-handler'
kbuildsycoca: WARNING: '/usr/share/applications/Thunar-folder-handler.desktop' specifies undefined mimetype/servicetype 'x-directory/normal'
kbuildsycoca: WARNING: '/usr/share/applications/kde/kpovmodeler.desktop' specifies undefined mimetype/servicetype 'KPovModeler/Document'
kbuildsycoca: WARNING: '/home/leonardo/.local/share/applications/varicad.desktop' specifies undefined mimetype/servicetype 'application/x-varicad'
kbuildsycoca: WARNING: '/usr/share/applications/kde/kuickshow.desktop' specifies undefined mimetype/servicetype 'image/x-psd'
kbuildsycoca: WARNING: '/usr/share/applications/kde/kuickshow.desktop' specifies undefined mimetype/servicetype 'image/x-eim'
kbuildsycoca: WARNING: 'klinkstatus_part.desktop' specifies undefined mimetype/servicetype 'text/english'
kbuildsycoca: WARNING: 'klinkstatus_part.desktop' specifies undefined mimetype/servicetype 'text/x-c'
kbuildsycoca: WARNING: 'klinkstatus_part.desktop' specifies undefined mimetype/servicetype 'text/x-c++'
kbuildsycoca: WARNING: '/usr/share/applications/kde/kvoctrain.desktop' specifies undefined mimetype/servicetype 'application/x-kvoctrain'
kbuildsycoca: WARNING: '/usr/share/applications/kde/kvoctrain.desktop' specifies undefined mimetype/servicetype 'text/x-kvtml'
kbuildsycoca: WARNING: '/usr/share/applications/codeblocks.desktop' specifies undefined mimetype/servicetype 'application/x-codeblocks'
kbuildsycoca: WARNING: '/usr/share/applications/codeblocks.desktop' specifies undefined mimetype/servicetype 'application/x-codeblocks-workspace'
kbuildsycoca: WARNING: 'ark_part.desktop' specifies undefined mimetype/servicetype 'application/x-tbz2'
kbuildsycoca: WARNING: '/usr/share/applications/xine.desktop' specifies undefined mimetype/servicetype 'video/x-anim'
kbuildsycoca: WARNING: '/usr/share/applications/audacious.desktop' specifies undefined mimetype/servicetype 'audio/mp3'
kbuildsycoca: WARNING: '/usr/share/applications/audacious.desktop' specifies undefined mimetype/servicetype 'audio/x-it'
kbuildsycoca: WARNING: '/usr/share/applications/audacious.desktop' specifies undefined mimetype/servicetype 'audio/x-s3m'
kbuildsycoca: WARNING: '/usr/share/applications/audacious.desktop' specifies undefined mimetype/servicetype 'audio/x-stm'
kbuildsycoca: WARNING: '/usr/share/applications/audacious.desktop' specifies undefined mimetype/servicetype 'audio/x-xm'
kbuildsycoca: WARNING: '/usr/share/applications/audacious.desktop' specifies undefined mimetype/servicetype 'audio/x-vorbis+ogg'
kbuildsycoca: WARNING: 'kcertpart.desktop' specifies undefined mimetype/servicetype 'application/binary-certificate'
kbuildsycoca: WARNING: 'kformulapart.desktop' specifies undefined mimetype/servicetype 'application/vnd.oasis.opendocument.formula-template'
kbuildsycoca: WARNING: '/usr/share/applications/kde/kmid.desktop' specifies undefined mimetype/servicetype 'audio/midi'
kbuildsycoca: WARNING: 'kxsldbg_part.desktop' specifies undefined mimetype/servicetype 'text/english'
kbuildsycoca: WARNING: 'kxsldbg_part.desktop' specifies undefined mimetype/servicetype 'text/x-c'
kbuildsycoca: WARNING: 'kxsldbg_part.desktop' specifies undefined mimetype/servicetype 'text/x-c++'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-avi'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-fli'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-ms-asx'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-real-audio'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'application/x-flac'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-ms-asf'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-m4a'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-ms-wax'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'video/dv'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-anim'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-flc'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'misc/ultravox'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'application/x-matroska'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-pn-aiff'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-pn-au'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-pn-wav'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-pn-windows-acm'
kbuildsycoca: WARNING: '/usr/share/applications/gxine.desktop' specifies undefined mimetype/servicetype 'image/vnd.rn-realpix'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'application/annodex'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'application/x-annodex'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/annodex'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-annodex'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/annodex'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-annodex'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/aiff'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-pn-aiff'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/flac'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-realaudio'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-basic'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-pn-au'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-flv'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/flv'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'application/x-flash-video'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-8svx'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/8svx'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-16sv'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/168sv'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'image/x-ilbm'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'image/ilbm'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-anim'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/anim'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/mkv'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'image/x-png'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/mng'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/ogg'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/ogg'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-ogg'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-m4a'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'application/x-quicktimeplayer'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-real-audio'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-ms-wvx'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'video/x-ms-wax'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/wav'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-pn-wav'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/x-pn-windows-acm'
kbuildsycoca: WARNING: 'Multimedia/gxine.desktop' specifies undefined mimetype/servicetype 'audio/mp3'
kbuildsycoca: WARNING: '/usr/share/applications/sun-java.desktop' specifies undefined mimetype/servicetype 'application/x-java-archive'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/bmp'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/g3fax'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-compressed-xcf'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-fits'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-gray'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-png'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-portable-anymap'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-portable-graymap'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-psd'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-sgi'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-sun-raster'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-tga'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-xbitmap'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-xcf'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-xpixmap'
kbuildsycoca: WARNING: '/usr/share/applications/gimp.desktop' specifies undefined mimetype/servicetype 'image/x-xwindowdump'
kbuildsycoca: WARNING: 'knotify.desktop' specifies undefined mimetype/servicetype 'KNotify'
kbuildsycoca: WARNING: '/usr/share/applications/gvim.desktop' specifies undefined mimetype/servicetype 'text/english'
kbuildsycoca: WARNING: '/usr/share/applications/gvim.desktop' specifies undefined mimetype/servicetype 'text/x-c'
kbuildsycoca: WARNING: '/usr/share/applications/gvim.desktop' specifies undefined mimetype/servicetype 'text/x-c++'
kbuildsycoca: WARNING: 'kchartpart.desktop' specifies undefined mimetype/servicetype 'application/vnd.oasis.opendocument.chart-template'
kbuildsycoca: WARNING: '/usr/share/applications/kde/showfoto.desktop' specifies undefined mimetype/servicetype 'image/x-psd'
kbuildsycoca: WARNING: '/usr/share/applications/kde/showfoto.desktop' specifies undefined mimetype/servicetype 'image/x-eim'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'application/x-navi-animation'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/bmp'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-MS-bmp'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-icon'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-portable-anymap'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-portable-graymap'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-cmu-raster'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-sun-raster'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-tga'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/vnd.wap.wbmp'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-xbitmap'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-xpixmap'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/x-png'
kbuildsycoca: WARNING: '/usr/share/applications/gqview.desktop' specifies undefined mimetype/servicetype 'image/xpm'
kbuildsycoca: WARNING: '/usr/share/applications/openoffice.org2.3-writer.desktop' specifies undefined mimetype/servicetype 'application/x-doc'
kbuildsycoca: WARNING: '/usr/share/applications/openoffice.org2.3-writer.desktop' specifies undefined mimetype/servicetype 'application/rtf'
kbuildsycoca: WARNING: '/usr/share/applications/openoffice.org2.3-writer.desktop' specifies undefined mimetype/servicetype 'application/vnd.wordperfect'
kbuildsycoca: WARNING: 'kfile_ooo.desktop' specifies undefined mimetype/servicetype 'application/vnd.sun.xml.writer.math'
kbuildsycoca: WARNING: '/usr/share/applications/kde/kexi.desktop' specifies undefined mimetype/servicetype 'application/x-kexiproject-sqlite'
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 20
Minor opcode: 0
Resource id: 0x2c00267

prendi kdeartwork dal CD/DVD o da un mirror e dai Così vedi se il problema si risolve...

prima di fare l'upgrade ho provato da root e

gli scrensaver si vedono

.... Reinstallo il package?
si [ ] no[ ]

no, avrai modificato i permessi in qualche modo... controlla i permessi di queste directory:

• /usr/share/applnk/System/ScreenSavers
  /usr/share/apps/kscreensaver
  /usr/share/apps/kfiresaver

immagino dovrebbero essere quantomeno leggibili da tutti... tu probabilmente non avrai il permesso in lettura per il tuo utente...

ma anche per un'altro user funziona !!!! i file hanno i seguenti permessi:
-rw-r--r-- 1 root root
le directory:
drwxr-xr-x 2
deve essere qualcosa in avvio di kde! ma cosa?

a questo non so risponderti perchè non ho kde sul pc, hai toccato qualche file nella directory .kde della tua home?? Magari hai cambiato il path in qualche file di conf e adesso non te li ritrova...
Magari visto che hai un altro utente a disposizione prova a confrontare qualche script di configurazione dalla sua home con quelli nella home del tuo utente...

Non è che hai aggiornato xscreensavers e lo hai messo in /usr/lib?
KDE cerca xscreensavers in /usr/libexec.

NO... alla fine ho risolto da utonto... ho eliminato l'account e poi l'ho ricreato... che dire: Funziona....