Yes. I have it too here, in LC 9.0.2 and LC 8.1.10. Did you already report the bug? Currently we could use as a workaround to disable the graphic, from the message box, for simple scenarios. And set the foreColor of it to have a full color. > Michael K. wrote: > Non-Opaque polygons block the mouse click, when their > lineSize is greater than 9. (This figure varies)