Hi Basj. I followed the link and purged fences, then uninstalled and reinstalled using the latest download file. It started installing and then came up with a warning message 'Break point has been reached'. It then continued to install and asked me to reboot the system. After reboot, Fences did not work although the settings menu did appear. 'Configure Fences' did not appear at the top of the right click menu on the desktop. If I clicked on Fences in the application menu, a message came up to say that Fences was not loaded. Both Fences settings are enabled in start up. I purged, uninstalled and reinstalled again, but with the same result.
I have managed to get back to Fences partially working as originally described, by using System Restore Point.
Any thoughts please?