Starting with any text window:
triple click to open any tool ( I did greek from Greek text and dictionary from English texts)
expand to full screen
right click for context menu and gui foreground and background become transparent and interlaced and app must be shut down to fix gui.
The above was somewhat intermittent. Say 4 out of 5. However, if after triple clicking to open tool and then use radio drop down button to change tool and then highlight text and right click for context, it happens every time.
Hope this is helpful,