Hi,http://<hostname>:<port>/adminuiIt is an administrative web ui for adminstrator to manage LiveCycle ES services and processes.The file you download is a LiveCycle Archive file that contain Livecycle Process, Resources and other information, which required to use AdminUI to import into the Livecyc...

What is the sample application you downloaded?Are you referring to *.LCA file? or the file you downloaded is not meant to be unzip and use.The *.CLA file might be associated with Java Class files or a shortcut for *.CLASS file extension. (Something i retrieved from the internet search)