It could be a virus, or it might be corruption with normal.dot or the
registry. Take a look here for some steps you can try:
http://word.mvps.org/FAQs/AppErrors/ProbsOpeningWord.htm

Signature
Herb Tyson MS MVP
Please respond in the newsgroups so everyone can follow along.
http://www.herbtyson.com
> Need help with Word, the problem is when i try to save
> as, the aplication closed without any error message, what
> can i do for fix this problem?
>
> txs a lot.