John Wu on 11 Nov, 2017 06:56 PM
I just tried 4.3 on my computer and it was able to activate. The error in
your screenshot looks like there is something on your computer blocking
Sparkbooth from communicating with the licensing server. Do you have a
anti-virus utility running? If so, you should either whitelist Sparkbooth,
or disable it while you try to activate it.