Weird, well, if your system thinks you have another, lets first get it up to date with
then see what it says, see if it thinks you have the right version. If not, do the above then do
and then manually delete dbus and all its files. After this, updatedb again and you should be back on track. Remember to delete the deb file in (I think...) /var/cache/apt/archives/ - this essentially does the same as a purge.
After that, you should be bang on target- though just as a quick test, see if you can purge and install after the updatedb
Bah! Wrong order!
# rm -rf /var/cache/apt/archives/*
try purge and install, then
manually delete should you need to