[MTUSUPPORT]

The only way to get around this is to Remove the software, then reboot the system. Then Reinstall the software. It should then work again.

The problem is that you might have had some bad Keys in the registry, generated from prior versions, and now that all the glitches are worked out in the security it caused this to happen, as they no longer matched, due to the new version correctly reading the information out of the system.