My launcher starts and than he tell my updating and it crashes than it starts again and crashes again the whole time. What can I do? I am using a macbook pro 13 2017

My launcher starts and than he tell my updating and it crashes than it starts again and crashes again the whole time. What can I do? I am using a macbook pro 13 2017

i also have same problem, running Mac Mini, and it worked well before today.