add warning for failed launch in win32

plugins/TorrentFiles/tab_files.py

@@ -36,7 +36,7 @@ import gobject
 import gtk
 
 from deluge.files import FilesBaseManager
-from deluge import dgtk
+from deluge import dgtk, dialogs
 
 class FilesTabManager(FilesBaseManager):
     def __init__(self, file_view, manager):
@@ -98,7 +98,12 @@ class FilesTabManager(FilesBaseManager):
                     try:
                         os.startfile(os.path.join(save_dir, file_name))
                     except WindowsError:
-                        pass
+                        import gtk
+                        import dialogs
+                        gtk.gdk.threads_enter()
+                        result = dialogs.show_popup_warning(None, _("There is a \
+newer version of Deluge.  Would you like to be taken to our download site?"))
+                        gtk.gdk.threads_leave()
                 else:    
                     exec_command(self.file_viewer, 
                              os.path.join(save_dir, file_name))