I have looked the similar questions here and here but the solutions didn't work for me. People suggest to install dconf-tools and libdconf0. However I couldn't install libdconf0 (i already have dconf-tools installed.) When I run:
sudo apt-get install libdconf0
It gives "Package 'libdconf0' has no installation candidate".
I started thinking I may have another problem or libdconf0 doesn't exist anymore.
NOTE: When I run
There isn't launcher under Desktop>unity and the command gives the warning
"Using the 'memory' GSettings backend. Your settings will not be saved or shared with other applications. ** (dconf-editor:5091): WARNING **: dconf-schema.vala:330: Unknown property on <schema>, extends
NOTE2: I am using 12.10.