Hi, Yes, we certainly understand the inconvenience you might be facing because of this. However, I am sorry to inform that we're still investigating this issue, and there hasn't been any significant progress on it. The problems that we're facing is that things have changed from Apple verification side, and it isn't looking straight forward to port these new changes on signing process for a Windows system. I would want to re-iterate that the issue comes into picture only while uploading the final IPA, and it shouldn't hinder any development or testing phases. So, you may still continue all your development on a Windows system, the final IPA build however should be packaged on a Mac for a successful upload to iTunes store. Thanks, Adobe AIR Team
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