OS Win XP pro. I have the automatic windows update set up and all was fine until the last security update. The files download OK and you are then asked if you want to install, clicking yes takes you thru the normal installation process. However, when finished I am not asked to reboot and when booting the PC up the next day I am being asked to install the same files. Rebooting after installing the files does not fix the problem either. Can anyone help?