Hello! I'm having a heck of a time trying to install the Trailhead Security superbadge managed package in order to complete the Security Specialist Superbadge. 

I was finally able to install the package (I think, seeing as I got a confirmation email about it), but now I'm stuck here on Step 2, which asks for the following:



I can get to the "All Namespace" option, but I don't see anything as what's described in Step 4. All I have is this:


Any thoughts on what this error is and how I can resolve? I tried to reinstall the managed package just in case I missed something, but this is the error I get when I try that:



I'm so stuck! 

I'm doing the simple lightning components challenge and have hit this problem in my existing trailhead org and a brand new dev org that I've just created:

Challenge not yet complete... here's what's wrong: 
There was an unexpected error while verifying this challenge. Usually this is due to some pre-existing configuration or code in the challenge Org. We recommend using a new Developer Edition (DE) to check this challenge. If you're using a new DE and seeing this error, please post to the developer forums and reference error id: QVWBQHAG