Index: reactos/dll/win32/shell32/shell32_main.c
===================================================================
--- reactos/dll/win32/shell32/shell32_main.c	(revision 51078)
+++ reactos/dll/win32/shell32/shell32_main.c	(working copy)
@@ -1162,6 +1162,8 @@
 
                     SetDlgItemTextW( hWnd, IDC_SHELL_ABOUT_AUTHORS, szAuthorsText );
                     bShowingAuthors = !bShowingAuthors;
+                    RedrawWindow(hWnd, NULL, NULL, RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
+
                     return TRUE;
                 }
             }