License keeps deactivating......

I have one Gmail address that I have used to set up and try eM Client.
And i have installed it on several PCs to test synchronization before committing to a purchase. The license continually deactivates. Same license on all machines, attaching to the GMail account for calendar and contacts sync.

Does this make sense?


do you use one license for all Installations? You need to have one license per one eM Client activation otherwise it will deactivate.