wierd artefacts

in the last two versions, CD have UI artefacts after maximizing it from task bar.
At first it was black stripes/areas, and today they started to be transparent (I can see my desktop through it)
When I hover my mouse over those areas, it returns to normal
here is SS
first img is normal, second is bug

win7 x64
33.1 portable instalation

Hi and welcome vux777,
Try disabling ‘Use hardware acceleration when available’, found under system in the advanced settings.

Kind regards.

I did…so far no black or transparent areas

That is good to hear, let us hope it continues behaving. :slight_smile: