# apt-get install acroread=7.0.9-0.0.ubuntu0.7.04+medibuntu2
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Suggested packages:
  acroread-plugins mozilla-acroread
The following NEW packages will be installed:
  acroread
0 upgraded, 1 newly installed, 0 to remove and 5 not upgraded.
E: I wasn't able to locate file for the acroread package. This might mean you need to manually fix this package.