Is it going to be doing this every time I select any PMDG aircraft. It was doing it last few times...

Yes Word Not Allowed,It will be doing this every time yopu select a PMDG NG for the first time. And has been doing this before the -800/900 as well. But now there's an added window to make sure you wait for all the data to load properly before you continue to prepare your flight.Hope it helps,

Thanks. No problem with it, just was wondering if I had something mis-installed.