I upgraded from Intrepid and had this issue. I did what Bryan McLellan suggested in <a href="https://bugs.launchpad.net/ubuntu/+source/tracker/+bug/361560/comments/30">bug 361560</a>:
sudo apt-get install tracker-utils tracker-processes -r # --hard-reset
and ran /usr/lib/tracker/trackerd & tracker-applet &
Everything seems to be fine now.
I upgraded from Intrepid and had this issue. I did what Bryan McLellan suggested in <a href="https:/ /bugs.launchpad .net/ubuntu/ +source/ tracker/ +bug/361560/ comments/ 30">bug 361560</a>:
sudo apt-get install tracker-utils
tracker-processes -r # --hard-reset
and ran lib/tracker/ trackerd &
/usr/
tracker-applet &
Everything seems to be fine now.