When I convert powerpoint to pdf, see a white line in half. how I can correct

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1

when I convert powerpoint to pdf
see a white line in half.
how I can correct.

2

I have the same problem of getting a white horizontal line through the center of images when printing from PowerPoint 2007 to PDFCreator.  It looks like the image is processed in two halves and they don't quite line up in the middle.  I am using PDFCreator 1.2.1 on Windows 7 64 bit pro.