If you are getting this error:
cower: error while loading shared libraries: libalpm.so.9: cannot open shared object file: No such file or directory
after upgrading your arch system, don't worry.
You will have to rebuild cower.
Download the cower package cower-14-2 from the AUR repository.
From the command line go to where you downloaded the package, and type:
$ tar -zxvf
$ cd cower
$ makepkg -sri
You will be prompted for a password as pacman needs it to install it.