It sounds like the "nvidia-396" package from that PPA is broken. Please use 'ppa-purge' to remove the PPA from your system.
Also, sorry that package isn't from the Ubuntu archive so we can't support it here. ** Package changed: nvidia-graphics-drivers-375 (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics-drivers-375 in Ubuntu. https://bugs.launchpad.net/bugs/1788786 Title: installation of nvidia-396 fails due to "trying to overwrite '/usr/lib/x86_64-linux-gnu/nvidia/xorg/nvidia_drv.so', which is also in package xserver-xorg-video-nvidia-390 390.48-0ubuntu3" Status in Ubuntu: Invalid Bug description: Installation of `nvidia-396` after `sudo add-apt-repository ppa :graphics-drivers/ppa` on Ubuntu 18.04 fails due to ``` > sudo apt-get install -f nvidia-driver-396 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libnvidia-cfg1-396 libnvidia-common-396 libnvidia-compute-396 libnvidia-compute-396:i386 libnvidia-decode-396 libnvidia-decode-396:i386 libnvidia-encode-396 libnvidia-encode-396:i386 libnvidia-fbc1-396 libnvidia-fbc1-396:i386 libnvidia-gl-396 libnvidia-gl-396:i386 libnvidia-ifr1-396 libnvidia-ifr1-396:i386 libxnvctrl0 nvidia-compute-utils-396 nvidia-dkms-396 nvidia-kernel-common-396 nvidia-kernel-source-396 nvidia-prime nvidia-settings nvidia-utils-396 screen-resolution-extra xserver-xorg-video-nvidia-396 The following packages will be REMOVED: libnvidia-cfg1-390 libnvidia-compute-390 libnvidia-compute-390:i386 xserver-xorg-video-nvidia-390 The following NEW packages will be installed: libnvidia-cfg1-396 libnvidia-common-396 libnvidia-compute-396 libnvidia-compute-396:i386 libnvidia-decode-396 libnvidia-decode-396:i386 libnvidia-encode-396 libnvidia-encode-396:i386 libnvidia-fbc1-396 libnvidia-fbc1-396:i386 libnvidia-gl-396 libnvidia-gl-396:i386 libnvidia-ifr1-396 libnvidia-ifr1-396:i386 libxnvctrl0 nvidia-compute-utils-396 nvidia-dkms-396 nvidia-driver-396 nvidia-kernel-common-396 nvidia-kernel-source-396 nvidia-prime nvidia-settings nvidia-utils-396 screen-resolution-extra xserver-xorg-video-nvidia-396 0 upgraded, 25 newly installed, 4 to remove and 1 not upgraded. Need to get 0 B/88,1 MB of archives. After this operation, 224 MB of additional disk space will be used. Do you want to continue? [J/n] j (Reading database ... 748099 files and directories currently installed.) Preparing to unpack .../xserver-xorg-video-nvidia-396_396.54-0ubuntu0~gpu18.04.1_amd64.deb ... Unpacking xserver-xorg-video-nvidia-396 (396.54-0ubuntu0~gpu18.04.1) ... dpkg: error processing archive /var/cache/apt/archives/xserver-xorg-video-nvidia-396_396.54-0ubuntu0~gpu18.04.1_amd64.deb (--unpack): trying to overwrite '/usr/lib/x86_64-linux-gnu/nvidia/xorg/nvidia_drv.so', which is also in package xserver-xorg-video-nvidia-390 390.48-0ubuntu3 dpkg-deb: error: paste subprocess was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/xserver-xorg-video-nvidia-396_396.54-0ubuntu0~gpu18.04.1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) ``` To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1788786/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp