diff --git a/openlp/plugins/presentations/lib/impresscontroller.py b/openlp/plugins/presentations/lib/impresscontroller.py
index c84f0ff1e..a67d8f818 100644
--- a/openlp/plugins/presentations/lib/impresscontroller.py
+++ b/openlp/plugins/presentations/lib/impresscontroller.py
@@ -219,7 +219,6 @@ class ImpressDocument(PresentationDocument):
         The file name of the presentatios to the run.
         """
         log.debug(u'Load Presentation OpenOffice')
-        #print "s.dsk1 ", self.desktop
         if os.name == u'nt':
             desktop = self.controller.get_com_desktop()
             if desktop is None:
@@ -234,7 +233,10 @@ class ImpressDocument(PresentationDocument):
             return False
         self.desktop = desktop
         properties = []
-        properties.append(self.create_property(u'Minimized', True))
+        if os.name != u'nt':
+            # Recent versions of Impress on Windows won't start the presentation
+            # if it starts as minimized. It seems OK on Linux though.
+            properties.append(self.create_property(u'Minimized', True))
         properties = tuple(properties)
         try:
             self.document = desktop.loadComponentFromURL(url, u'_blank',
@@ -242,6 +244,12 @@ class ImpressDocument(PresentationDocument):
         except:
             log.exception(u'Failed to load presentation %s' % url)
             return False
+        if os.name == u'nt':
+            # As we can't start minimized the Impress window gets in the way.
+            # Either window.setPosSize(0, 0, 200, 400, 12) or .setVisible(False)
+            window = self.document.getCurrentController().getFrame() \
+                .getContainerWindow()
+            window.setVisible(False)
         self.presentation = self.document.getPresentation()
         self.presentation.Display = \
             self.controller.plugin.renderer.screens.current_display + 1
@@ -387,14 +395,14 @@ class ImpressDocument(PresentationDocument):
         log.debug(u'start presentation OpenOffice')
         if self.control is None or not self.control.isRunning():
             self.presentation.start()
-            # start() returns before the getCurrentComponent is ready.
-            # Try for 5 seconds
+            self.control = self.presentation.getController()
+            # start() returns before the Component is ready.
+            # Try for 15 seconds
             i = 1
-            while self.desktop.getCurrentComponent() is None and i < 50:
+            while not self.control and i < 150:
                 time.sleep(0.1)
                 i = i + 1
-            self.control = \
-                self.desktop.getCurrentComponent().Presentation.getController()
+                self.control = self.presentation.getController()
         else:
             self.control.activate()
             self.goto_slide(1)
@@ -463,4 +471,4 @@ class ImpressDocument(PresentationDocument):
             shape = page.getByIndex(idx)
             if shape.supportsService("com.sun.star.drawing.Text"):
                 text += shape.getString() + '\n'
-        return text
\ No newline at end of file
+        return text
diff --git a/openlp/plugins/presentations/lib/mediaitem.py b/openlp/plugins/presentations/lib/mediaitem.py
index 455d42a72..22db8f39f 100644
--- a/openlp/plugins/presentations/lib/mediaitem.py
+++ b/openlp/plugins/presentations/lib/mediaitem.py
@@ -293,7 +293,7 @@ class PresentationMediaItem(MediaManagerItem):
         "supports" the extension. If none found, then look for a controller
         which "also supports" it instead.
         """
-        filetype = filename.split(u'.')[1]
+        filetype = os.path.splitext(filename)[1]
         if not filetype:
             return None
         for controller in self.controllers: