Try by downloading the recent Updates......
http://support.microsoft.com/kb/955587/en-us?FR=1
"bertrand" wrote:
I have a microsoft office in my computer and suddenly word stopped to
work.Now ,it takes a while to load my documents, or sometimes after starting
it, it freezes and afterwards i get an error message"Word 2007 is not
responding".I try to uninstall it but it doesn't resolve my problem. I tried
to delete the data folder from registry as described in some forums but it
doesn't resolve my problem
Could please help me !!!!