The Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files are required to use PGP encryption and may be required by some connectors.
jre\lib\securitydirectory for the Java instance that the Atom is using.
An example location is:
Remove the following
.jarfiles from this directory:
Replace these two files with the
.jarfiles included in the JCE Unlimited Strength Jurisdiction Policy Files download.
Stop and restart the Atom.