As illustrated by Paperghost in Why I Flushed Foxit, it appears that by the time the option is presented to accept or decline the Ask toolbar, it has already been installed!
If you are looking for an alternative to Adobe Reader, I suggest one of the open source programs available from http://pdfreaders.org/. In the event you are still using Adobe Reader, be sure to get the latest update.
Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...