dolphin freezes

[Paul Stear]

Hi all,
I have upgraded to the latest version but had some failures but eventually 
completed although it seems that some of my settings had not been transfered 
correctly i.e. no task bar.
My current problem is that if I wish to rename a mp3 file the dolphin instance 
locks up.
I can however complete the rename if I sudo dolphin.
The following are the errors I an getting:-

"/usr/bin/dolphin(2080)" Soprano: "Unsupported operation (2)": "Invalid model"
"/usr/bin/dolphin(2080)" Soprano: "Invalid iterator."
"/usr/bin/dolphin(2080)" Soprano: "org.freedesktop.DBus.Error.ServiceUnknown - 
The name org.kde.nepomuk.services.nepomukstorage was not provided by any 
.service files"
QObject: Cannot create children for a parent that is in a different thread.
(Parent is Soprano::Client::LocalSocketClient(0x2833ee8), parent's thread is 
QThread(0x1f29740), current thread is KLoadFileMetaDataThread(0x3404fe0)
"/usr/bin/dolphin(2080)" Soprano: "QLocalSocket::connectToServer: Invalid name"
"/usr/bin/dolphin(2080)" Soprano: "org.freedesktop.DBus.Error.ServiceUnknown - 
The name org.kde.nepomuk.services.nepomukstorage was not provided by any 
.service files"
"/usr/bin/dolphin(2080)" Soprano: "Unsupported operation (2)": "Invalid model"
"/usr/bin/dolphin(2080)" Soprano: "org.freedesktop.DBus.Error.ServiceUnknown - 
The name org.kde.nepomuk.services.nepomukstorage was not provided by any 
.service files"
"/usr/bin/dolphin(2080)" Soprano: "Unsupported operation (2)": "Invalid model"
"/usr/bin/dolphin(2080)" Soprano: "Unsupported operation (2)": "Invalid model"
"/usr/bin/dolphin(2080)" Soprano: "Invalid iterator."
dolphin(2080) KSambaSharePrivate::getNetUserShareInfo: We got some errors while 
running 'net usershare info' 
dolphin(2080) KSambaSharePrivate::getNetUserShareInfo: "[2011/05/01 
12:36:35.342573,  0] param/loadparm.c:7504(lp_set_enum_parm)
  WARNING: Ignoring invalid value 'paul' for parameter 'security'

What is dolphin trying to do?
I am at a loss on how to solve this.

Thanks for any help
regards
Paul

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