I've experienced the same problem- it appears to be random. 😞 However, I think right-clicking works.
The launcher updates automatically- but Java may not. However, what do I know? I'm not a computer expert.
I can't reproduce- steps?
I think this is a duplicate of #MCL-16943
It sounds like your world was corrupted! Try the guide here
D McLachlan
I've experienced the same problem- it appears to be random. 😞 However, I think right-clicking works.