Google is your friend!
Just type 'ActiveX' in Google and the very first hit is Download ActiveX.
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That may be a symptom of a Word Data Key corruption - usually because Word
has been running when updates are installed.
Symptoms of Data Key corruption may include:
• The mouse does not work when you use Word.
• You cannot open a Word document from the Search window in Windows
Vista.
• You cannot open a Word document from Windows Desktop Search.
• Word crashes when you try to start or exit Word.
• Word crashes when you open the Open dialog box.
• Word crashes when you save a document.
• Word crashes when you close a document.
See MSKB 940791
http://support.microsoft.com/kb/940791 and click on the FIX
button.
Terry Farrell - MSWord MVP