Working as of 4.11
Users are reporting that a system pop up such as a timer or low memory is causing a hang and crash.
1. Set a timer for 1 minute
2. Run Black Jack and wait for the timer to expire
3. Once the timer expires, cancel the pop up and verify it is hung
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-26630 in the post.