IPhoto 9.2.1 Update causes screen flash between desktop and blank

A customer brought his MacBook Pro to us after updating his iPhoto to 9.2.1.
When he boots up, it loads and flashes between his desktop and a blank bluish/black screen in 1sec intervels.
If you pull up iPhoto it will stop and everything runs "normal"
I have run a Software Update on iPhoto and the System as a starting point.
MacBook Pro
Mac OS X 10.6.8
Processor: 2.2 GHz Intel Core i7
Memory: 4GB 1333 MHz DDR3
iPhoto 9.2.1
Any suggestions?

At this time, I'm leaving iPhoto on.
The Finder works just fine. Don't see any problems.
I restarted.
At first it did not blink. Saw the desktop.
Then it began to alternative between a color and the desktop.

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IPhoto 9.2.1 Update causes screen flash between desktop and blank

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