UltraVNC

Can anyone tell me what the green hand and green arrow means when you have a Uvnc session running.
I have noted that whenever the cursor turns to a green hand, no input is possible anymore.
I even had the situation that the session was working normally and after awhile the cursor turned from a ...

When installing UltraVNC 1.0.8.2, you do have the possibility to install the VISTA add-ons and the mirror driver 1.0.5.
Can anyone tell we what components are involved for the VISTA add-on and the mirror driver, and where they are located?

[mod=494,1290809289]moved from 1.0.9.1 to 1.0.8.x[/mod]