February 4, 201115 yr Hi guys,I have problem viewing this forum these days. Sometimes (it doesn't happen all the time but quite often on these days), the upper half of my screen turned black and I couldn't see the post. There seems have no way to close it. It happens on both IE8 and Chrome.I know this topic has little to do with PMDG but AVSIM, but do any one know the reason?Thanks,Howie Wong --- Howie Wong
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