Extension Licence activation

recently i buy Plusspec Pro extention and install.
but Licence activate popup was blanked.
What’s the problem.
How can I fix it properly…

@DrewRubySketch might know something

Thank you for your message.

I send message to Drew.

I wish i could fix this.

Thank you.

반 하우스

대표 송 만 영
Man Young, Song

82) 010-3669-4148