I am having similar issues. I am in the process of downloading the TR to see
if that helps.

"Won't open Word document" wrote:

> I just downloaded the last update and it corrupted the file I was working on.
> Tried to restore and error "The microsot office open xml file ---- cannot be
> opened because there are problems with the contents" Details "Elements and
> attributes in restricted namespaces are not allowed. Location: Part:
> /word/fontTable.xml, Line:2, Column: 158" .
>
> "Jim" wrote:
>
> > Have installed Beta2 and everytime I try to use word it causes a crash and
> > the computer restarts. After restart it states recovering from serious crash
> > (not exact word) (just a old Army type. Any way is this a common problem or
> > is there a update on the beta.
> >
> > Thanks