Users of our application have been experiencing problems with their Swing GUIs not drawing correctly.
The common link between all users with problems is that they've recently applied a Windows update. Users have reported that dialogs draw correctly on some monitors but not on others.
An example of the kind of problems we're seeing*:
Users also report dialogs which only show a frame, and are otherwise transparent. Effectively the same kind of problems you'd see if the UI thread were blocked.
What could be the problem?
*I can't post screenshots of our actual application as it contains sensitive information