Thanks for the suggestions.I tried rebooting after each patches.still the updates are there again when i go back to update site.
in the controll panel i can see two of the pathes out of three as installed,but when i go to update site all three are there io be installed again.
Thanks.in the restallation history it says all the three installation is success ful.but when rescaned for updates all three are there to be installed again.I can see two of the updates installed in the C-windows hidden folders. but when i go to windows update all three are there to be installed again.
fire wall is enabled