It is not totally clear from your description what you see.
The problem could be that you have somehow turned on gridlines:
Word 2007: On the View tab, uncheck Gridlines in the Show/Hide group.
Word 2003: In the Drawing toolbar, select Draw > Grid. Is “Display gridlines
on screen†turned on? If yes, turn it off and click OK.
If it is actually a table you see, you need to remove it from your
Normal.dot. See:
http://word.mvps.org/FAQs/AppErrors/BlankDocNotBlank.htm
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Regards
Lene Fredborg - Microsoft MVP (Word)
DocTools - Denmark
www.thedoctools.com
Document automation - add-ins, macros and templates for Microsoft Word