Thank you for your quick response.
Here are the steps to duplicate my issue:
1. I encrypt files in a network folder by right clicking on the folder and choose encrypt2. In AxCrypt I add this folder to the Secured Folders
3. I use the context option ‘Share Keys’ to share this folder
4. The secured folder disappears from the list. The files stay encrypted
When I try to add the network folder directly as secured folder it automatically disappears after some seconds.