can't find my question, HELP! SP2

Hi there! Now I am no computer guru like you all are!!! I received the
balloon message to install updates on the weekend, it was SP2 I installed it
no probs. I have no problems at all with anything else at this point
except....
if I am doing an email and want to add a text attachment from a file I
can't. I can open the file but it won't show what is in that file, just blank
screen. I can add pics but not text. How do I fix this???????????/
--
thanks very much
Jojo