Hi everybody. I am not only new to this forum but I am totally new to Linux! And pretty new to writing commands in terminal windows! But not completely computer illiterate! I have installed Audacity in Ubuntu and now want to install Pavucontrol. I have downloaded the pkg but when I try to install it get the message: Items cannot be installed or removed until the pkg catalogue is repaired. Do you want to repair it now? I click 'Repair' but nothing happens. I just keep getting the message which appears now when I try to install other pkgs. Help??