It might help if you tell us which Word version you are using, but it seems
that you may still have the PDF add-in still present - see
http://word.mvps.org/FAQs/Customization/CheckIfAddinsInstalled.htm
and then http://word.mvps.org/FAQs/AppErrors/ProblemsStartingWord.htm.

Signature
<>>< ><<> ><<> <>>< ><<> <>>< <>><<>
Graham Mayor - Word MVP
My web site www.gmayor.com
Word MVP web site http://word.mvps.org
<>>< ><<> ><<> <>>< ><<> <>>< <>><<>
> i loaded nitro pdf into my computer on friday and then had to
> uninstall as my boss had already installed it on her computer.my
[quoted text clipped - 3 lines]
> please tell me how to fix this as i have heaps of work to do and
> print and i am stuck.