Note: This does not appear to work on Linux Mint v17.x. It is a newer solution to the same problem: http://ubuntuhandbook.org/index.php/2014/10/install-adobe-reader-ubuntu-14-10/
Be sure to run apt-get -f install and apt-get dist-upgrade before you remove the precise archive.
—–
This solution works in Linux Mint 17.x
http://ubuntuhandbook.org/index.php/2014/04/install-adobe-reader-ubuntu-1404/
In a nutshell:
1.Download http://ardownload.adobe.com/pub/adobe/reader/unix/9.x/9.5.5/enu/AdbeRdr9.5.5-1_i386linux_enu.deb . Since Adobe no longer has a Linux version, this download could stop working at any time.
Install it with
dpkg -i AdbeRdr9.5.5-1_i386linux_enu.deb
2. Install the other needed 32-bit libraries
apt-get install libgtk2.0-0:i386 libnss3-1d:i386 libnspr4-0d:i386 lib32nss-mdns* libxml2:i386 libxslt1.1:i386 libstdc++6:i386
If things get messed up, or it was messed up when you started, remove / purge the Adobe Reader with
apt-get purge adobereader-enu
Then reinstall it using
dpkg -i AdbeRdr9.5.5-1_i386linux_enu.deb
and finally reinstall the other libraries
apt-get install --reinstall libgtk2.0-0:i386 libnss3-1d:i386 libnspr4-0d:i386 lib32nss-mdns* libxml2:i386 libxslt1.1:i386 libstdc++6:i386