Crated to check availability of t he web sites or shared folder. By timer it try to connect, if it can't connect for 15 seconds, it will decide that resource is unavailable. Also it support tray indication, on mouse hover it show unavailable resources.
You can specify check interval and resources to check.
In plugin menu you can click start and run new agent, which will check state of the specified resources. By stop - you will stop it.
On the tray icon you can find number = count of the unavailable resources. If you don't see any numbers, it means that requests are not finished.