Apparently this issue has mysteriously resolved itself, as now I can play just fine. So this ticket can be closed, I guess I don't have the rights to do that.
It might not be relevant, but I also have Minecraft Windows 10 Edition Beta installed on the same computer. That's on version 0.13.0.
Apparently this issue has mysteriously resolved itself, as now I can play just fine. So this ticket can be closed, I guess I don't have the rights to do that.