I had the exact same problem and had to run the following from the terminal
Applications | Accessories | Terminal Add the following line to my /etc/apt/sources.list file by typing sudo nano /etc/apt/sources.list Here's the line that I added deb-src http://archive.ubuntu.com/ubuntu/ jaunty main universe restricted then by running sudo apt-get update sudo apt-get build-dep software-properties-gtk and it fixed everything -- ImportError: No module named gtk.SoftwarePropertiesGtk https://bugs.launchpad.net/bugs/361180 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs