Looks like you're short of some encryption lib, or the system can't see it.
14.1 is a bit old; In fact 14.2 (which came after) is old by standards, and 15.0 has been delayed by the various travails of the Slackware BDFL. If you're not familiar with that abbreviation, use the console program 'wtf'
it is recommended to install almost everything the first time and I suspect that may not have happened?