I don't think it accesses detail of the sequences before you get the list on the right. So it does seem hung up.
As a test, I would try a different project.
I would try opening the PR project before accessing from Encore.
Thanks Stan, As soon as I opened up PP, it came accross instantly. Can't see why but, hey, who cares - it's working now...
I had only one project with a similar issue, but it was after the sequence was selected rather than just selecting the PR project. It would hang at some percentage, unless PR had it open. The other 20 PR sequences in the Encore project had no problem. In any event, it's a workaround that helps sometimes.