Power Point Presentation Flickers during edit

One of my users has an odd problem.  When he opens a power point presentation on his desktop, it just starts flickering.  Not the whole screen, just power point.  Not every presentation does it, and this presentation doesn't do it on any other machine.  I've removed and reinstalled PP but no dice.  

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can you post the ppt file ?
IDPIncAuthor Commented:
Unfortunately, I can't.  It contains too much confidential information.   It contains no special effects, no movies or music.
as i understood it is one ppt and it is one machine .

do you have IE7 installed and updated on yoru machine?
what about your grapgic card accelerator drivers ?

can you create another ppt on that device , one blank and one have the content of the problematic ppt as a copy and paste... just to make sure there is nothing with the ppt itself

waiting for your reply
Try turning back Graphics Hardware Acceleration:

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IDPIncAuthor Commented:
I'll try the hardware acceleration.  Will report back soon.
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