I am currently trialing LanSchool and have an issue with the client screen thumbnails.
When I first launch the console, everything works great for about 15-20mins then the thumbnails all turn to 'updating'. But they don't, they just sit there.

If I move the mouse over a thumbnail, the screen comes back, but then I have to move the mouse over every thumbnail to get all the screens back.
Then 15-20mins later they all go again.

Anyone seen this or got any ideas?

(I have contacted support who are sending a doc about improving network communicating but I don't think its that as the screens appear to be updating fine, just not showing up properly).