Sorry to say, but you are tinkering with your computer way beyond your skill level, it seems. It's thus not a bug when you shoot yourself in the foot in the process.
"dpkg : PreDepends: xz-utils" Why on earth are you trying to remove it? ** Changed in: xz-utils (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xz-utils in Ubuntu. https://bugs.launchpad.net/bugs/723025 Title: cannot remove xz-utils Status in xz-utils package in Ubuntu: Invalid Bug description: Binary package hint: xz-utils Ubuntu 10.10 i386. I installed xz-utils package yesterday by 'apt-get install xz-utils' Some program deleted my /dev/null yesterday. When I tried to reinstall packages I installed yestarday I found I cannot remove xz-utils package; package is broken: # apt-cache show xz-utils | grep Version Version: 4.999.9beta+20100527-1 # apt-get remove xz-utils Reading package lists... Done Building dependency tree Reading state information... 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: dpkg : PreDepends: xz-utils but it is not going to be installed erlang-syntax-tools : Depends: erlang-base (= 1:13.b.3-dfsg-2ubuntu3) but it is not going to be installed or erlang-base-hipe (= 1:13.b.3-dfsg-2ubuntu3) but it is not going to be installed librdf0 : Depends: libraptor1 (>= 1.4.19) but it is not going to be installed Depends: librasqal2 (>= 0.9.18) but it is not going to be installed libsdl1.2debian : Depends: libsdl1.2debian-alsa (= 1.2.14-6ubuntu3) but it is not going to be installed or libsdl1.2debian-all (= 1.2.14-6ubuntu3) but it is not going to be installed or libsdl1.2debian-esd (= 1.2.14-6ubuntu3) but it is not going to be installed or libsdl1.2debian-oss (= 1.2.14-6ubuntu3) but it is not going to be installed or libsdl1.2debian-nas (= 1.2.14-6ubuntu3) but it is not going to be installed or libsdl1.2debian-pulseaudio (= 1.2.14-6ubuntu3) but it is not going to be installed openjdk-6-jre : Depends: libasound2 (> 1.0.22) Depends: libpulse0 (>= 0.9.16) but it is not going to be installed Depends: libxtst6 but it is not going to be installed Depends: libaccess-bridge-java-jni but it is not going to be installed openjdk-6-jre-headless : Depends: openjdk-6-jre-lib (>= 6b20-1.9.5-0ubuntu1) but it is not going to be installed Depends: ca-certificates-java but it is not going to be installed Depends: tzdata-java but it is not going to be installed Recommends: icedtea-6-jre-cacao (= 6b20-1.9.5-0ubuntu1) but it is not going to be installed soprano-daemon : Depends: libraptor1 (>= 1.4.19) but it is not going to be installed E: Broken packages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xz-utils/+bug/723025/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp