Demo fullscreen mode problem

[aldonet]

I have a problem when I send teacher's screen to student's computers.
When I turn off the screen share, the desktop on student's computer doesn't appear but it shows an alert about an attempt connection to teacher's computer's IP and all function are disabled.
I attach an image of student's screen.

192.168.1.103 is theacher's computer's IP
How can I solve this problem?
Thanks

[ichraffsnicht]

I have the same problem.

Running 4.5.3.

If I start a fullscreen demo and then stop it, on the client machines it's says Connecting and I can't do anything.

My workaround is to start the demo in a Window.

[aldonet]

it seems to be a bug of this version

[aldonet]

maybe in the new release (4.5.4) this bug has been solved