diff -r e8a907801549 -r b0669ce1066d eric7/UI/UserInterface.py --- a/eric7/UI/UserInterface.py Wed Oct 13 18:15:30 2021 +0200 +++ b/eric7/UI/UserInterface.py Thu Oct 14 20:15:58 2021 +0200 @@ -7296,6 +7296,9 @@ if self.cooperation is not None: self.cooperation.shutdown() + if self.__helpViewerWidget is not None: + self.__helpViewerWidget.shutdown() + self.pluginManager.doShutdown() if self.SAServer is not None: