Is your TLServer version 1.x, 2.0 or 2.1? The File and Email services only works on TLServer version 2.0 or later. If your version is 1.x then please follow the "upgrade.htm" document in your CD-ROM to obtain the latest TRILOGI with TServer version 2.1.
In case you have more than one TRiLOGI version, then try to open the "C:\TRiLOGI\TL5" folder to locate the file "tlserver20.jar" and double-click on it to start the TLServer.