I installed GTK+2.x package to my Debian sid.

$apt-get install gtk2-engines-gtk-qt

It downloaded and installed quite a number of other packages due to dependencies. Then, it upgraded my KDE from 3.3 to 3.4.2. After that, I am no longer able to browse files using "Personal Files" browser. Error message is something like :

"Not supported protocol"

What should I do to fix it?

Well since you upgraded the first thing I would do is make sure that you have upgraded the entire KDE use COLUMNS=125 dpkg -l | grep 3.3.[0123] in a console/console window to check for old versions of the packages still left. If any then upgrade them by Personal Files browser I take it you mean the Icon that looks like a house on the taskbar you may want to right click on it and in the properties application tab make sure it is set to kfmclient openProfile filemanagement for the command option.

There are currently 20 some KDE 3.3 related files found in the search. You are right, it did not completely remove the older version.

My original OS is Sarge 3.1 r0 network installation. After the installation, I modified /etc/apt/sources.list and changed all the 'stable' word to 'unstable' and then do apt-get update and apt-get -u upgrade. I guess this have made my system a Debian sid, right? I did apt-get install kde after this change. it installed version 3.3 of KDE under the unstable package distribution.

Now my KDE is mixed with 3.3 and 3.4 fiiles, if I don't change my sources.list, I believe it will reture back to 3.3 again (never try it, I assume apt-get can do downgrade as well). How can I upgrade my KDE to a complete 3.4.2 version? And how do I remove the 3.3 leftovers?

Here is my sources.list file:
*******************************************************
deb http://ftp.debian.org/debian/ unstable main
deb-src http://ftp.debian.org/debian/ unstable main

deb http://security.debian.org/ stable/updates main
*********************************************************

I have to use "stable" in the last line. Otherwise, it will give error on each "apt-get install" command. There seems no "unstable" security packages available. Will this matter to my system?

Thanks.

All the packages you see still at the 3.3 version try putting them on one line like this.

This will install all the packages from unstable getting you all of them upgraded. For the security question there is no security line for the sources.list, unstable gets the security fixes pretty much at the same time or sooner sometimes than the stable branch just due to it being newer packages used in some cases the software is not even affected by the problems. Note some of the packages leftover at 3.3 may not even exist or may have changed names so just remove them from the install line I suggest if you have any errors on them.

I will give it a try tonight. So you are suggesting that KDE 3.4.2 is provided in unstable packages distribution. I hope this is the case.

As for the "Personal Files (Home)" browser, it tied to command "kfmclient openProfile filemanagement". This means the command is failing right now. Let me fix the KDE first and see if it will fix the file browser as well.

I is still not working after I upgraded those 3.3 packages to 3.4.2. I also tried "apt-get install -t unstable kde" which installed a few other kde 3.4.2 packages.

The "Personal Files (Home)" window still can not expand "Device". It displays error message.

Protocol Not Supported
Devices


Anyone can help?

When you open konqueror web browser, you should see a Storage Media shortcut. You can browse your harddrives from there.

I can use Storage Media shortcut for now to browser folders in hard drive. It does not display the tree on the left panel. Still hope it can be fixed.

I was looking around at the debian mailing lists public archive and found this response, "In KDE 3.4.2, devices:/ is replaced by media:/". See link at bottom of this post.

You can create a devices shortcut as a workaround. Right click on the navigation sidebar where the icons are, select add new folder, right click on new folder icon and select set name, name it Devices, right click again and select set icon, I used blockdevice icon under system button and devices from the dropdown, right click again and select set url and enter /mnt/ in the field you can also enter media:/ if this is your preference. Now you have a devices tree in the navigation panel.
http://lists.debian.org/debian-qt-kd.../msg00273.html