https://bugs.winehq.org/show_bug.cgi?id=50717
Rémi Bernon rbernon@codeweavers.com changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |rbernon@codeweavers.com
--- Comment #4 from Rémi Bernon rbernon@codeweavers.com --- It's most probably the "dummy parent" window used to reparent stale client windows.