why you write output by hand ? Just copy from terminal and post here a full output... Also the command that you wrote for install. Now run uninstall: Code: apt-get remove --purge -y n9-qtweakall now: Code: rm -rf /opt/N9QTweak and: Code: rm -f /opt/wall.back Please post FULL output ! And try to install again, and also post full output...
apt-get remove --purge -y n9-qtweakall
rm -rf /opt/N9QTweak
rm -f /opt/wall.back