keyboard problem

dear sir,

i am in too much trouble …..only i know, how am i typing this mail to u by using on screen keyboard ,,,,…….respeced sir plzzz help me actuall i was checking for “stickykeys ” but wen i came back to desktop everything was changed ….and the words (t,y, shift, backspace and some other from numpad (6) is no working plz help me, i tried more hdd bu nothing happend….plz reply me as soon as possible….sir…..plzz help my email id is : syedzakiabidi@rediffmail.com