@Ellinas

Arghhhhh!! I am so absent minded! You are totally right: for testing an error handler, I had added a division by zero (in a part of the code only accessible if the codepage 1253 is chosen) and I have forgotten to remove it...
I have fixed that in this version [Only registered and activated users can see links. ]

For the issue with W8.1 and W10 , I have to make some more tests...