Please restore the app to factory defaults. Here is how:
1. Quit Encrypt Email if it is running.
2. Hold the Option key and use the “Go” menu in the Finder to Show Library
3. Delete these files and folders if they are present:
To reset all the app settings:
To reset all the app data:
~/Library/Application support/Apimac/Encrypt Mail/
4. Launch Encrypt Email in order to recreate from scratch the resources it needs.