See this page for Quickfixes for Econap.
I cannot see anything after starting Econap.
Econap is mainly used as a tray application. You should see a little green leaf (the Econap icon) in your taskbar while Econap is running.
You can change your configuration with a right-click at the icon.
Econap.exe - Assert failure
This error only happens from time to time and is caused by
.NET when there is a problem with the localisation. The error only happens once and can be fixed by clicking at "Debug". We are currently investigating into this issue and will inform you as soon as this issue is resolved.
DirectX for controller blocker
If you want to use the controller blocker, please make sure that you have installed the DirectX framework.