pylab runtime error

I had a quick question about the pylab package. When
I use the plot function the first time, it works
great. However, upon closing the window and plotting
a second figure, I immediately get a microsoft visual
c++ runtime error when trying to close or move this
If I plot one figure, and attempt to plot a second
figure, the whole program crashes. Also, I am working
in pythonwin.

Thanks in advance,


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