I had this same problem it appears to have something to do with the way
packages are removed. To fix it, I used the Synaptic Package Manager and
installed Dolphin and libkonq4. After those were installed I used
Synaptic to remove the kio-umountwrapper, then removed Dolphin, and
libkonq4.
Hope that
I wonder if this is close to what I have going on. Although the original
poster has done far more then I could have guessed, so I need to try
some of that and see if I get similar results at all.
My wireless worked under 7.10, although I would have to tell it to
connect 3 or 4 times before it fina