From a command prompt change directory to %systemroot\system32% (Windows 2000 this is c:\winnt\system32 and on XP c:\windows\system32 in most cases). Type the following: Regsvr32 msacal70.ocx /u System will report the file was successfully unregistered Next, type: Regsvr32 msacal70.ocx System will report the file was registered. Now reopen composer and you should have the calendar and stations.