Hi All,   Having a bit of trouble with Vectorworks 2018 in our office. We're intermittently getting a problem whereby vwx 2018 gets stuck on first opening at 'Checking Activation'. It seems to take a very long time generally, but sometimes will get stuck and the program will fail to open entirely. This has occurred on several systems, most notably one of the office brand new IMac's, so I'm convinced hardware isn't the problem.   It could of course be related to some sort of n