I think they are trying to get rid of free users as they cannot make profit from free users. They may just copy the act of another popular desktop remote access software to cancel the free version and only get paid version in the future. The only thing you can do now is to find an alternative software and wait for the appeal. But you are most likely to get blocked soon after the unbolcked as something in your computer or your way of use trigger the commercial use detection again.
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