Can use these 2 actions, it will be similar when you want to end the thread.
But in this case, this is a bug with the site. So you can use Fail to give an error message. This action will end the current thread.
@Fox is there a way to make a custom notice like "Please wait for additional downloads" where currently there is just nothing after this window closes or after user hits start and it downloads node packages?
There is no functionality in BAS to change this window.
