If you install Adobe Acrobat Reader on recent versions of 64-bit Ubuntu you may see errors like the following:
/opt/Adobe/Reader9/Reader/intellinux/bin/acroread: error while loading shared libraries: libgdk_pixbuf_xlib-2.0.so.0: cannot open shared object file: No such file or directory
This is caused by missing 32-bit libraries. You can install the ones you need as follows:
sudo apt-get install libgtk2.0-0:i386 libgdk-pixbuf2.0-0:i386
Joe Halliwell's Blog 
Doesn’t work.
After this “fix”, instead of the error above, you get a popup window that says “an internal error occurred”. Not much of an improvement.
Sorry this didn’t work for you. If you figure out what the problem is/was please let me know.
Alternate instructions are here: https://joehalliwell.wordpress.com/2014/04/23/installing-adobe-acrobat-reader-on-64-bit-ubuntu-14-04/
This worked for me today:
1. sudo apt-get install libgtk2.0-0:i386 libgdk-pixbuf2.0-0:i386
2. wget ftp://ftp.adobe.com/pub/adobe/reader/unix/9.x/9.5.5/enu/AdbeRdr9.5.5-1_i386linux_enu.deb
3. sudo dpkg -i AdbeRdr9.5.5-1_i386linux_enu.deb
Hopefully, it will work for others, too.
Lukas
This does not seem to work.
See these bug reports for a clue as to why:
https://bugs.launchpad.net/ubuntu/+source/overlay-scrollbar/+bug/1262022
http://askubuntu.com/questions/483742/how-do-i-get-adobe-reader-to-work-in-ubuntu-14-04
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