Some of our users have encountered Premiere Pro stuck issues during import.
We have already reported about this bug on the official Adobe forum, here’s the link
Since this bug is not at our side, we are awaiting a fix from Adobe technical team.
At this time, we recommend to use Premiere Pro CC24 version as CC25 is still not stable.
UPDATE:
This issue was fixed on the Premiere Pro beta build, and will be fixed in the next official release.