We had the same issue. Word creates a temporary copy of the file if you open it. It does the same for the normal.dot file. When word is not closed properly the temp file is not deleted and it asks you to save the normal.dot file when closing word. To get around this I added a section to the script that deletes the temp file if it exists.

The $appdata variable gets filled earlier in the script. It is taken from %appdata%.

 Code:
;Check to see if the Word temp file exists.
If Exist($appdata + "\Microsoft\Templates\~$Normal.dot")
	;Delete Word temp file.
	Del $appdata + "\Microsoft\Templates\~$Normal.dot"
EndIf
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Mart

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