I bought pro version and I contacted several times the developer but does not respond!!!!

I ask you because with Mr. davaite I lost all hope

My problem are the accents.
This is what I see in the post from facebook:
è
but it should be as:
?
Furthermore, I also noticed that 80% of posts on the forum not contain images uploaded to facebook. The rest are displayed correctly.
you have idea how to solve?