How to fix the situation if the client asks for a refund?

Question

Software and Internet Services

The client bought the program, but after a while says that he did not like it and asks for a refund.
How to fix the situation in order to keep your earned money, but at the same time to leave the client at least minimally satisfied?

Answer 1

it is obvious that there is no way to
return half

Answer 2

Well, you can find out what exactly you did not like?
What do you want from this program?
And so for this there are (should exist) demo versions.
Well, tell the client that in the next version for the add. board will be updated with features, bugs fixed, etc.