Yay, let's waste more money!
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Well I wanted to contact them and logged in on their support page. I found my unanswered ticket. According to this website I've never sent something back to PMDG. I always answered on the mails and not only one time.
So it was probably a technical error...
I try to contact them now via the website
I found out that you have to buy the extended download service to download it again.
For such an expensive product that's just profiteering. It's really no techical effort.
I wanted to delete my negative ratings but now I don't see a reason to do so. A perfect exemple of wasting money.