DWFx, download this and it should work:
http://www.microsoft.com/downloads/details.aspx?FamilyID=b8dcffdd-e3a5-44cc-8021-7649fd37ffee&DisplayLang=en
DWF is working it's way out of existence for Windows built-in viewer
compliance with XPS formats.
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Dean Saadallah
http://LTisACAD.blogspot.com
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