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I'm not with Laminar Research, just a fellow simmer in the UK.
Initially, would you be able to upload your XP11 Installer Log.txt file on this post, so that I and others with a greater knowledge base could have a look at it, in order to see if any issues were recorded?
If you're not sure how to upload this file, please click on the following link to view a number of PowerPoint slides that I have prepared for this specific purpose:- http://questions.x-plane.com/?qa=blob&qa_blobid=15732616642708154118
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