GUI: Don’t prompt to root patch if no new patches

resources/wx_gui/gui_sys_patch.py

@@ -269,6 +269,8 @@ class SysPatchFrame(wx.Frame):
                 start_button.Disable()
             elif no_new_patches is False:
                 start_button.SetDefault()
+            else:
+                self.available_patches = False
         if can_unpatch is False:
             revert_button.Disable()
 

resources/wx_gui/gui_update.py

@@ -74,6 +74,7 @@ class UpdateFrame(wx.Frame):
         progress_bar.Pulse()
         self.progress_bar = progress_bar
 
+        self.frame.Centre()
         self.frame.Show()
         wx.Yield()