Your test case works perfectly in b1776. The propgram is NinjaTrader. The program uses functionality _workspaces_. Workspace is saved status of desktop windows. All workspaces are running in background, but only windows of active workspace are shown (of cource). All windows from other workspaces are...

My situation is a little bit different. I start program that open several windows. Some windows are open on actual desktop, some are hidden. In build 1776 i can show the hidden windows with the function "Desktop Windows" - "Hidden" - (right click on name of title) - "Show on...

The function "Show on current desktop" in Desktop Windows for hiden windows is not working.
Last working verion was build 1776.