A service is a special windows application that runs even if no user is
logged on the system. The service can run under a special account (Local
System account) or under some other existing account. On Windows NT-based
systems it is recommended to run this program as a service. You decide if
you want to run the program as a service or as an application in the
installation program. You can also change the way the program will work
from the Service and Application control dialog box, under the Tools
menu.
When running Cobian Reflector as a service, a problem can arise: if you
want to access a shared drive or folder or some non-local resource, you
cannot run the service under the default system account. You must run it
under an account which has network access (example: the Administrator
account or your own personal account). In the installation program, you
can choose to configure the service to run under the system account or
other account.
Another difference is that you cannot terminate a service the same way you
close an application. You stop/start a service using the Control Panel -
Administrative tools - Services icon. You can also control the service
from the Service and Application control dialog box, under the Tools
menu.