Hi guys:

Try opening ExtApp and exit without doing anything (also if you did something)

The mbilog bebore the crash:
(...)
7.95 blueberry.ui.wrkbncWnd: WorkbenchWindow::Close()
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
Object::disconnect: Unexpected null parameter
7.98 blueberry.ui.wnd: Window::Close()
7.98 blueberry.ui.wrkbncWnd: WorkbenchWindow::~WorkbenchWindow()

cheers
sebastian