What the hell Microsoft?!!!

Keeps crashing after the new update. I just got through fixing my wifi issue with 10.11.4 (thanks Apple for that). Now I just updated the OneNote. This morning, sitting in class, I fire up OneNote and it keeps crashing on the startup. Searching online doesn’t return much either. I got a Mid 2013 MBA (13”, 256GB, 4GB).

Kianoosh about Microsoft OneNote, v15.21