<html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body> <div class="moz-forward-container"> Hello, I followed the instructions on how to install PDF Editor in this article by you <a moz-do-not-send="true" href="https://vitux.com/how-to-edit-pdf-files-in-ubuntu/">https://vitux.com/how-to-edit-pdf-files-in-ubuntu/</a> <div class="moz-signature">Unfortunately this caused me some serious problems on my Xubuntu 16,04 and I'm hoping you will help me get this sorted out.</div> <div class="moz-signature"> </div> <div class="moz-signature">As of now I can't update my system becaúse its blocked by unmet dependencies caused by libpng12 which can't be installed properly. It can't be uninstalled either. </div> <div class="moz-signature"> </div> <div class="moz-signature">I have attached the problem in detail downstairs.</div> <div class="moz-signature"> </div> <div class="moz-signature">Hope you will help me.</div> <div class="moz-signature"> </div> <div class="moz-signature">Thank you in advance. </div> <div class="moz-signature">-- Med venlig hilsen / With kind regards Jan Brøndum Johansson </div> <div class="moz-signature"> </div> <div class="moz-signature">th@th-ThinkPad-X300:~$ cd /tmp th@th-ThinkPad-X300:/tmp$ wget <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/main/l/lcms/liblcms1_1.19.dfsg-1ubuntu3_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/main/l/lcms/liblcms1_1.19.dfsg-1ubuntu3_amd64.deb</a> --2021-03-20 10:45:06-- <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/main/l/lcms/liblcms1_1.19.dfsg-1ubuntu3_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/main/l/lcms/liblcms1_1.19.dfsg-1ubuntu3_amd64.deb</a> Resolving mirrors.kernel.org (mirrors.kernel.org)... 198.145.21.9, 2001:19d0:306:6:0:1994:3:14 Connecting to mirrors.kernel.org (mirrors.kernel.org)|198.145.21.9|:80... connected. HTTP request sent, awaiting response... 301 Moved Permanently Location: <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/main/l/lcms/liblcms1_1.19.dfsg-1ubuntu3_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/main/l/lcms/liblcms1_1.19.dfsg-1ubuntu3_amd64.deb</a> [following] --2021-03-20 10:45:07-- <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/main/l/lcms/liblcms1_1.19.dfsg-1ubuntu3_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/main/l/lcms/liblcms1_1.19.dfsg-1ubuntu3_amd64.deb</a> Resolving mirrors.edge.kernel.org (mirrors.edge.kernel.org)... 147.75.95.133, 2604:1380:3000:1500::1 Connecting to mirrors.edge.kernel.org (mirrors.edge.kernel.org)|147.75.95.133|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 105756 (103K) [application/octet-stream] Saving to: ‘liblcms1_1.19.dfsg-1ubuntu3_amd64.deb’ liblcms1_1.19.dfsg-1ubuntu3_a 100%[=================================================>] 103.28K 328KB/s in 0.3s 2021-03-20 10:45:08 (328 KB/s) - ‘liblcms1_1.19.dfsg-1ubuntu3_amd64.deb’ saved [105756/105756] th@th-ThinkPad-X300:/tmp$ wget <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/main/libm/libmng/libmng1_1.0.10-3_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/main/libm/libmng/libmng1_1.0.10-3_amd64.deb</a> --2021-03-20 10:45:29-- <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/main/libm/libmng/libmng1_1.0.10-3_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/main/libm/libmng/libmng1_1.0.10-3_amd64.deb</a> Resolving mirrors.kernel.org (mirrors.kernel.org)... 198.145.21.9, 2001:19d0:306:6:0:1994:3:14 Connecting to mirrors.kernel.org (mirrors.kernel.org)|198.145.21.9|:80... connected. HTTP request sent, awaiting response... 301 Moved Permanently Location: <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/main/libm/libmng/libmng1_1.0.10-3_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/main/libm/libmng/libmng1_1.0.10-3_amd64.deb</a> [following] --2021-03-20 10:45:30-- <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/main/libm/libmng/libmng1_1.0.10-3_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/main/libm/libmng/libmng1_1.0.10-3_amd64.deb</a> Resolving mirrors.edge.kernel.org (mirrors.edge.kernel.org)... 147.75.95.133, 2604:1380:3000:1500::1 Connecting to mirrors.edge.kernel.org (mirrors.edge.kernel.org)|147.75.95.133|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 214904 (210K) [application/octet-stream] Saving to: ‘libmng1_1.0.10-3_amd64.deb’ libmng1_1.0.10-3_amd64.deb 100%[=================================================>] 209.87K 419KB/s in 0.5s 2021-03-20 10:45:31 (419 KB/s) - ‘libmng1_1.0.10-3_amd64.deb’ saved [214904/214904] th@th-ThinkPad-X300:/tmp$ wget <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb</a> --2021-03-20 10:45:47-- <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb</a> Resolving mirrors.kernel.org (mirrors.kernel.org)... 198.145.21.9, 2001:19d0:306:6:0:1994:3:14 Connecting to mirrors.kernel.org (mirrors.kernel.org)|198.145.21.9|:80... connected. HTTP request sent, awaiting response... 301 Moved Permanently Location: <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb</a> [following] --2021-03-20 10:45:48-- <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb</a> Resolving mirrors.edge.kernel.org (mirrors.edge.kernel.org)... 147.75.95.133, 2604:1380:3000:1500::1 Connecting to mirrors.edge.kernel.org (mirrors.edge.kernel.org)|147.75.95.133|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 116466 (114K) [application/octet-stream] Saving to: ‘libpng12-0_1.2.54-1ubuntu1_amd64.deb’ libpng12-0_1.2.54-1ubuntu1_am 100%[=================================================>] 113.74K 351KB/s in 0.3s 2021-03-20 10:45:49 (351 KB/s) - ‘libpng12-0_1.2.54-1ubuntu1_amd64.deb’ saved [116466/116466] th@th-ThinkPad-X300:/tmp$ wget <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/main/q/qt-x11-free/libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/main/q/qt-x11-free/libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb</a> --2021-03-20 10:46:28-- <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/main/q/qt-x11-free/libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/main/q/qt-x11-free/libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb</a> Resolving mirrors.kernel.org (mirrors.kernel.org)... 198.145.21.9, 2001:19d0:306:6:0:1994:3:14 Connecting to mirrors.kernel.org (mirrors.kernel.org)|198.145.21.9|:80... connected. HTTP request sent, awaiting response... 301 Moved Permanently Location: <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/main/q/qt-x11-free/libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/main/q/qt-x11-free/libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb</a> [following] --2021-03-20 10:46:29-- <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/main/q/qt-x11-free/libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/main/q/qt-x11-free/libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb</a> Resolving mirrors.edge.kernel.org (mirrors.edge.kernel.org)... 147.75.95.133, 2604:1380:3000:1500::1 Connecting to mirrors.edge.kernel.org (mirrors.edge.kernel.org)|147.75.95.133|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3288182 (3.1M) [application/octet-stream] Saving to: ‘libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb’ libqt3-mt_3.3.8-b-8ubuntu3_am 100%[=================================================>] 3.14M 1.82MB/s in 1.7s 2021-03-20 10:46:31 (1.82 MB/s) - ‘libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb’ saved [3288182/3288182] th@th-ThinkPad-X300:/tmp$ wget <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/universe/p/pdfedit/pdfedit_0.4.5-2_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/universe/p/pdfedit/pdfedit_0.4.5-2_amd64.deb</a> --2021-03-20 10:46:46-- <a class="moz-txt-link-freetext" href="http://mirrors.kernel.org/ubuntu/pool/universe/p/pdfedit/pdfedit_0.4.5-2_amd64.deb" moz-do-not-send="true">http://mirrors.kernel.org/ubuntu/pool/universe/p/pdfedit/pdfedit_0.4.5-2_amd64.deb</a> Resolving mirrors.kernel.org (mirrors.kernel.org)... 198.145.21.9, 2001:19d0:306:6:0:1994:3:14 Connecting to mirrors.kernel.org (mirrors.kernel.org)|198.145.21.9|:80... connected. HTTP request sent, awaiting response... 301 Moved Permanently Location: <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/universe/p/pdfedit/pdfedit_0.4.5-2_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/universe/p/pdfedit/pdfedit_0.4.5-2_amd64.deb</a> [following] --2021-03-20 10:46:47-- <a class="moz-txt-link-freetext" href="http://mirrors.edge.kernel.org/ubuntu/pool/universe/p/pdfedit/pdfedit_0.4.5-2_amd64.deb" moz-do-not-send="true">http://mirrors.edge.kernel.org/ubuntu/pool/universe/p/pdfedit/pdfedit_0.4.5-2_amd64.deb</a> Resolving mirrors.edge.kernel.org (mirrors.edge.kernel.org)... 147.75.95.133, 2604:1380:3000:1500::1 Connecting to mirrors.edge.kernel.org (mirrors.edge.kernel.org)|147.75.95.133|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 2095970 (2.0M) [application/octet-stream] Saving to: ‘pdfedit_0.4.5-2_amd64.deb’ pdfedit_0.4.5-2_amd64.deb 100%[=================================================>] 2.00M 200KB/s in 9.0s 2021-03-20 10:46:57 (227 KB/s) - ‘pdfedit_0.4.5-2_amd64.deb’ saved [2095970/2095970] th@th-ThinkPad-X300:/tmp$ sudo dpkg -i *.deb (Reading database ... 361910 files and directories currently installed.) Preparing to unpack liblcms1_1.19.dfsg-1ubuntu3_amd64.deb ... Unpacking liblcms1:amd64 (1.19.dfsg-1ubuntu3) over (1.19.dfsg-1ubuntu3) ... Preparing to unpack libmng1_1.0.10-3_amd64.deb ... Unpacking libmng1:amd64 (1.0.10-3) over (1.0.10-3) ... Preparing to unpack libpng12-0_1.2.54-1ubuntu1_amd64.deb ... Unpacking libpng12-0:amd64 (1.2.54-1ubuntu1) over (1.2.54-1ubuntu1) ... Preparing to unpack libqt3-mt_3.3.8-b-8ubuntu3_amd64.deb ... Unpacking libqt3-mt (3:3.3.8-b-8ubuntu3) over (3:3.3.8-b-8ubuntu3) ... Preparing to unpack pdfedit_0.4.5-2_amd64.deb ... Unpacking pdfedit (0.4.5-2) over (0.4.5-2) ... Setting up liblcms1:amd64 (1.19.dfsg-1ubuntu3) ... Setting up libmng1:amd64 (1.0.10-3) ... dpkg: error processing package libpng12-0:amd64 (--install): package libpng12-0:amd64 1.2.54-1ubuntu1 cannot be configured because libpng12-0:i386 is at a different version (1.2.54-1ubuntu1.1) dpkg: dependency problems prevent configuration of libqt3-mt: libqt3-mt depends on libpng12-0 (>= 1.2.13-4); however: Package libpng12-0:amd64 is not configured yet. dpkg: error processing package libqt3-mt (--install): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of pdfedit: pdfedit depends on libqt3-mt (>= 3:3.3.8-b); however: Package libqt3-mt is not configured yet. dpkg: error processing package pdfedit (--install): dependency problems - leaving unconfigured Processing triggers for libc-bin (2.23-0ubuntu11.2) ... Processing triggers for man-db (2.7.5-1) ... Processing triggers for desktop-file-utils (0.22-1ubuntu5.2) ... Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ... Processing triggers for mime-support (3.59ubuntu1) ... Processing triggers for menu (2.1.47ubuntu1.16.04.1) ... Errors were encountered while processing: libpng12-0:amd64 libqt3-mt pdfedit </div> <div class="moz-signature"> </div> <div class="moz-signature">I then tried to see if I could install libpng12 manually by downloading the .deb file, that doesn't work because until the unmet dependencies are fixed nothing can be installed.</div> <div class="moz-signature"> </div> <div class="moz-signature">I then tried to uninstall, which resulted in the following:</div> <div class="moz-signature">th@th-ThinkPad-X300:/tmp$ sudo apt autoremove liblcms1 libmng1 libpng12-0 libqt3-mt pdfedit Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies. abiword : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed blender : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed compiz-plugins-default : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed digikam : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed dvdauthor : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed etc1tool : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed gimp : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed gstreamer1.0-plugins-bad : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed gstreamer1.0-plugins-good : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed gthumb : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed icoutils : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed kipi-plugins : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libabiword-3.0 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libcairo2 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libcupsfilters1 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libffmpegthumbnailer4v5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libfreetype6 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libgd3 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libgdiplus : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libgdk-pixbuf2.0-0 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libgegl-0.3-0 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libgraphicsmagick-q16-3 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libgs9 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libgxps2 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libkhtml5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed liblept5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libmagickcore-6.q16-2 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libopencv-highgui2.4v5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libopenimageio1.6 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libpano13-3 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libplymouth4 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libpoppler58 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libqt5gui5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libqt5webkit5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libqtgui4 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libqtwebkit4 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libquicktime2 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libreoffice-core : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libsdl-image1.2 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libsdl2-image-2.0-0 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libsox2 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libvigraimpex5v5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libwebkit2gtk-4.0-37 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libwebkit2gtk-4.0-37-gtk2 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libwebkitgtk-1.0-0 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libwebkitgtk-3.0-0 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libwmf0.2-7 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libwxgtk3.0-0v5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed libzvbi0 : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed mencoder : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed mjpegtools : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed mplayer : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed netpbm : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed openjdk-8-jre : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed sane-utils : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed skanlite : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed transfig : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed tumbler : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed vlc-nox : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed x11-apps : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed xsane : Depends: libpng12-0 (>= 1.2.13-4) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). </div> <div class="moz-signature"> </div> <div class="moz-signature">I then tried sudo apt-get -f install which resulted in :</div> <div class="moz-signature">th@th-ThinkPad-X300:/tmp$ sudo apt-get -f 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: libcanon-proprio-bin linux-headers-4.4.0-203 linux-headers-4.4.0-203-generic linux-image-4.4.0-203-generic linux-modules-4.4.0-203-generic linux-modules-extra-4.4.0-203-generic Use 'sudo apt autoremove' to remove them. The following additional packages will be installed: libpng12-0 The following packages will be upgraded: libpng12-0 1 to upgrade, 0 to newly install, 0 to remove and 1 not to upgrade. 4 not fully installed or removed. Need to get 0 B/116 kB of archives. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] y (Reading database ... 361910 files and directories currently installed.) Preparing to unpack .../libpng12-0_1.2.54-1ubuntu1.1_amd64.deb ... Unpacking libpng12-0:amd64 (1.2.54-1ubuntu1.1) over (1.2.54-1ubuntu1) ... dpkg: error processing archive /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb (--unpack): trying to overwrite shared '/usr/share/doc/libpng12-0/changelog.Debian.gz', which is different from other instances of package libpng12-0:amd64 Processing triggers for libc-bin (2.23-0ubuntu11.2) ... Errors were encountered while processing: /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) th@th-ThinkPad-X300:/tmp$ </div> <div class="moz-signature"> </div> <div class="moz-signature">And I'm stuck here </div> <div class="moz-signature"> </div> </div> </body> </html>