25 digit Product Key not provided

I'm trying to use 2 Registration Keys (bought in 2009) for activating my Sandboxie license, but they are both not working.

I'm using Windows 10 Pro 64bit 1809 updated with Sandboxie 5.30 updated. TLS are all checked.

When I'm trying to upgrade my Registration Key to the correspondent new 25 digit Product Key, I receive a message (for both of them) saying that "the server doesn't recognize the license/registration/product key.

Thanks.




[locked by: Barb@Sbie at 7:28 PM (GMT -7) on 15 May 2019]
[unlocked by: Barb@Sbie at 7:28 PM (GMT -7) on 15 May 2019]
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