Does install this way
Code:
scott@scott-P5QC:~/Downloads$ sudo dpkg -i unity-greeter_14.04.4-0ubuntu2_amd64.deb
[sudo] password for scott:
(Reading database ... 375769 files and directories currently installed.)
Preparing to unpack unity-greeter_14.04.4-0ubuntu2_amd64.deb ...
Unpacking unity-greeter (14.04.4-0ubuntu2) over (14.04.4-0ubuntu1) ...
Setting up unity-greeter (14.04.4-0ubuntu2) ...
Processing triggers for libglib2.0-0:amd64 (2.39.91-0ubuntu3) ...
Processing triggers for man-db (2.6.6-1) ...
scott@scott-P5QC:~/Downloads$