Hello,
Got more or less the same problem with 1.3.1 version.
I use to switch the activation key between two computers, one from my office (linux laptop) and the other one at home(windows desktop).
I didn't have any problem before, until this morning.
Now it's impossible to activate the soft on both computers ; I got a message telling me activation is already in use.
Yet, I took care of deactivate the licence key and remove .lic files, also id hostable when asking, from one computer before running it on the other one.
Could the internet network from where activate and deactivate be part of the problem?
Thanks for your help!