Hi Anja,
To check the version of the ActivDriver, you should have the icon in the system tray of your computer. Usually a white box with the Promethean logo inside. If you click on this and then the Control Panel option, it will display the ActivManager window.
Just at the bottom of this window it will display the version number. If this is not up to date then please can you do so otherwise please can you reply stating this as well.
Thanks,
Greg
Promethean Technical Support