???????????
What program?
What computer?
What have you tried already?
Have you tried a restart?
How is it not responding?Please supply us with enough information to begin to understand your problem (crystal balls are acting very flaky these days).
You have to be a little bit crazy to keep you from going insane.
First why would MS care, it is your computer?
Second do you trust the publisher of the software?
Third make a manual system restore point and name it so you can reverse it if it causes problems and uninstalling it does not help.You have to be a little bit crazy to keep you from going insane.