sparkz@sparkz-ubuntu:~$ sudo apt-get install beryl-core beryl-plugins beryl-plug ins-data emerald beryl-settings beryl-manager beryl beryl-dev emerald-themes Password: Reading package lists... Done Building dependency tree... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: beryl: Depends: libberylsettings0 but it is not going to be installed Depends: libberyldecoration0 but it is not going to be installed beryl-core: Depends: libberylsettings0 but it is not going to be installed Depends: libc6 (>= 2.5-0ubuntu1) but 2.3.6-0ubuntu20.4 is to be in stalled Depends: libglib2.0-0 (>= 2.12.9) but 2.10.3-0ubuntu1 is to be ins talled Depends: libpng12-0 (>= 1.2.13-4) but 1.2.8rel-5ubuntu0.2 is to be installed Depends: libxcomposite1 (>= 1:0.3-1) but 1:0.2.2.2-0ubuntu2 is to be installed Depends: libxfixes3 (>= 1:4.0.1) but 1:3.0.1.2-0ubuntu3 is to be i nstalled Depends: libxrandr2 (>= 2:1.2.0) but 1:1.1.0.2-0ubuntu4 is to be i nstalled beryl-dev: Depends: libberylsettings-dev but it is not going to be installed beryl-manager: Depends: libatk1.0-0 (>= 1.13.1) but 1.11.4-0ubuntu1 is to be i nstalled Depends: libc6 (>= 2.5-0ubuntu1) but 2.3.6-0ubuntu20.4 is to be installed Depends: libcairo2 (>= 1.4.0) but 1.0.4-0ubuntu1 is to be insta lled Depends: libfontconfig1 (>= 2.4.0) but 2.3.2-1.1ubuntu12 is to be installed Depends: libglib2.0-0 (>= 2.12.9) but 2.10.3-0ubuntu1 is to be installed Depends: libgtk2.0-0 (>= 2.10.3) but 2.8.20-0ubuntu1.1 is to be installed Depends: libpango1.0-0 (>= 1.16.1) but 1.12.3-0ubuntu3 is to be installed Depends: libxfixes3 (>= 1:4.0.1) but 1:3.0.1.2-0ubuntu3 is to b e installed Depends: libxrandr2 (>= 2:1.2.0) but 1:1.1.0.2-0ubuntu4 is to b e installed beryl-plugins: Depends: libberyldecoration0 but it is not going to be installe d Depends: libberylsettings0 but it is not going to be installed Depends: libc6 (>= 2.5-0ubuntu1) but 2.3.6-0ubuntu20.4 is to be installed Depends: libcairo2 (>= 1.4.0) but 1.0.4-0ubuntu1 is to be insta lled Depends: libdbus-1-3 (>= 0.94) but it is not installable Depends: libglib2.0-0 (>= 2.12.9) but 2.10.3-0ubuntu1 is to be installed Depends: libgtk2.0-0 (>= 2.10.3) but 2.8.20-0ubuntu1.1 is to be installed Depends: libpng12-0 (>= 1.2.13-4) but 1.2.8rel-5ubuntu0.2 is to be installed Depends: libxcomposite1 (>= 1:0.3-1) but 1:0.2.2.2-0ubuntu2 is to be installed Depends: libxfixes3 (>= 1:4.0.1) but 1:3.0.1.2-0ubuntu3 is to b e installed Depends: libxrandr2 (>= 2:1.2.0) but 1:1.1.0.2-0ubuntu4 is to b e installed Depends: libberyldecoration0 but it is not going to be installe d beryl-settings: Depends: beryl-settings-bindings but it is not going to be ins talled emerald: Depends: libemeraldengine0 but it is not going to be installed Depends: libberyldecoration0 but it is not going to be installed E: Broken packages sparkz@sparkz-ubuntu:~$