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This has been since the last update message I can't install any other programs because of this error, please help.

If you are using third party repositories then disable them, since they are a common source of problems. Now run the following command in a terminal: apt-get install -f Transaction failed: The package system is broken The following packages have unmet dependencies:

mpv: Depends: libplacebo18 (>= 1.18.0) but it is not installed Depends: libxrandr2 (>= 2:1.2.99.3) but 2:1.5.1-1 is installed

That's the message that appears after I run the installer. Than I tried to run 

sudo apt update

And many other commands in order to update the package but it seems to not working every time.

sudo apt --fix-broken install Reading package lists... Done Building dependency tree
Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: libdav1d2 libplacebo7 Use 'sudo apt autoremove' to remove them. The following additional packages will be installed: libplacebo18 The following NEW packages will be installed libplacebo18 0 to upgrade, 1 to newly install, 0 to remove and 29 not to upgrade. 1 not fully installed or removed. Need to get 0 B/129 kB of archives. After this operation, 360 kB of additional disk space will be used. Do you want to continue? [Y/n] y (Reading database ... 249564 files and directories currently installed.) Preparing to unpack .../libplacebo18_1.18.0-1~bionic1_amd64.deb ... Unpacking libplacebo18:amd64 (1.18.0-1~bionic1) ... dpkg: error processing archive /var/cache/apt/archives/libplacebo18_1.18.0-1~bionic1_amd64.deb (--unpack): trying to overwrite '/usr/lib/x86_64-linux-gnu/libplacebo.so.18', which is also in package libplacebo7:amd64 1.8.0-1~bionic dpkg-deb: error: paste subprocess was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/libplacebo18_1.18.0-1~bionic1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1)

That's something that could help I have no idea what's happening.

nikola pashov
  • 151
  • The problem is: "Unpacking libplacebo18:amd64 (1.18.0-1~bionic1) ... dpkg: error processing archive /var/cache/apt/archives/libplacebo18_1.18.0-1~bionic1_amd64.deb (--unpack): trying to overwrite '/usr/lib/x86_64-linux-gnu/libplacebo.so.18', which is also in package libplacebo7:amd64 1.8.0-1~bionic " You cannot have BOTH packages installed at the same time - they are incompatible. Pick one, uninstall the other. – user535733 Nov 16 '19 at 15:00
  • Which one should I uninstall? – nikola pashov Nov 16 '19 at 15:32
  • You should uninstall whatever non-Ubuntu software broke your updates. That should be your priority. Adding more non-Ubuntu software usually just makes things worse. Whatever you are trying to install that requires libplacebo, find a way that doesn't break your system. FYI: libplacebo7 is in the Ubuntu repositories starting with 19.04, so a newer release of Ubuntu might have more of what you need. – user535733 Nov 16 '19 at 15:46
  • Okay, I tried to install it and then purge it i didn't work. I followed through this https://askubuntu.com/questions/140246/how-do-i-resolve-unmet-dependencies-after-adding-a-ppa and still couldn't help. Every time I pasted a command it showed me this error message You might want to run 'apt --fix-broken install' to correct these. The following packages have unmet dependencies. mpv : Depends: libplacebo18 (>= 1.18.0) but it is not going to be installed E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution). – nikola pashov Nov 17 '19 at 08:26

1 Answers1

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I fixed it by force overwriting the package 

sudo dpkg -i --force-overwrite /var/cache/apt/archives/libplacebo18_1.18.0-1~bionic1_amd64.deb

And then I used this command to fix any broken packages.

sudo apt -f install
nikola pashov
  • 151