diff -ru sd.orig/source/ui/slideshow/slideshow.cxx sd/source/ui/slideshow/slideshow.cxx
--- sd.orig/source/ui/slideshow/slideshow.cxx	2010-05-21 15:44:15.000000000 +0100
+++ sd/source/ui/slideshow/slideshow.cxx	2010-05-21 15:45:57.000000000 +0100
@@ -699,6 +699,8 @@
 		ViewShellBase* pFullScreenViewShellBase = mpFullScreenViewShellBase;
 		mpFullScreenViewShellBase = 0;
 
+		xController->dispose();
+
 		if( pFullScreenViewShellBase )
 		{
 			PresentationViewShell* pShell = dynamic_cast<PresentationViewShell*>(pFullScreenViewShellBase->GetMainViewShell().get());
@@ -713,8 +715,6 @@
 			}
 		}
 
-		xController->dispose();
-
 		if( pFullScreenViewShellBase )
 		{
 			PresentationViewShell* pShell = NULL;