https://bugs.winehq.org/show_bug.cgi?id=42748
--- Comment #3 from Béla Gyebrószki gyebro69@gmail.com --- (In reply to Nikolay Sivov from comment #2)
Created attachment 57757 [details] patch
Could you try this one? Looks like out of memory branch is triggered eventually, and that aborts window painting sequence, leaving everything blank.
The patch fixes the problem here, thanks.