PowerPoint window can't be moved if maximised or minimised

[Raoul Snyman]

Traceback (most recent call last):
File "openlp\core\ui\servicemanager.py", line 1463, in on_make_live
File "openlp\core\ui\servicemanager.py", line 1479, in make_live
File "openlp\core\ui\slidecontroller.py", line 810, in add_service_manager_item
File "openlp\core\ui\slidecontroller.py", line 835, in _process_item
File "openlp\core\common\registry.py", line 137, in execute
File "openlp\plugins\presentations\lib\messagelistener.py", line 373, in startup
File "openlp\plugins\presentations\lib\messagelistener.py", line 80, in add_handler
File "openlp\plugins\presentations\lib\powerpointcontroller.py", line 338, in start_presentation
File "site-packages\win32com\client\dynamic.py", line 560, in __setattr__
pywintypes.com_error: (-2147352567, 'Ausnahmefehler aufgetreten.', (0, 'Microsoft PowerPoint 2010', "SlideShowWindow.Top : Invalid request. Maximized or minimized windows can't be resized.", '', 0, -2147188160), None)