Color Painting Slow on Multicolumn List Box

All,
I'm trying to use a multi column listbox to display test results. The test data has quite a few column, and I'd like to highlite any errors, problems or other interesting points with colored cells. The issue I'm having currently is that painting takes forever, and you can see it "tile" along as the SubVI runs. I've attacheda short video of the problem, is there a way I can defer updates of the control until the subvi changes the colors completes?
Regards,
Ken 

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