Hi Darko,

> As Graham pointed me, I tried just everything under compatibility mode,
> the last one "working with less colours" and "8-bit (256) colours" made
> difference.
>
> I did changed monitor to AOC 32" but didn't changed graphic card so I
> wasn't
> think at this direction

IMO, this does not make any sense at all <g>. Why should "8-bit (256)
colours" make a difference in this case? And you did not even change the
graphic card (no new drivers, etc.).

> Now, while I can live with less colours do you suggest to try with 2018
> prerelease anyway?

You can try 2018 because this will be the basis for new SetupBuilder
versions. But the IDE does absolutely nothing with colors etc. so you'll
definitely run into the same problem in the future.

It still does not make any sense to me. You changed the monitor to AOC 32"
and this "locks" a Windows application. Setting compatibility mode to
"8-bit (256) colours" (brings us back to the Windows 95 days) and it's
working again. What a nightmare.

Friedrich