Kontakt 7 Player and Native Access broke overnight

Last night I was working on a project that was using two instances of Kontakt 7 Player (one had the Jacob Collier Audience Choir and another had the String Melody - Orchestra). This was days after running a test project on the day Audience Choir came out and it worked perfectly then.

This morning my problems started. First off, there was an error when I booted up my DAW saying one instance of Kontakt 7 couldn't be loaded up properly, so I just hit play and Audience Choir isn't playing. The 2nd one works fine btw, not an issue there. So on opening Kontakt, it throws up a splash page I've never seen before:

Now I click "Activate" thinking Native Access prolly needs to be open or smth, I had a similar problem with Splice and Serum when I was on the rent-to-own plan. It opens NA and does nothing so I figure cool it works, even this page is gone. Except as you can see, my other instruments aren't showing in the Library. They ARE still in my recent files tho (File > Load Recent) so i go to load Audience Choir (AC) from recent and I get this error "This instrument belongs to a library that is not installed currently".

In fact, none of my other instruments are showing up either and using the Load... function to manually pick them gives me the same problem. I reinstalled AC from NA after this but still the same error. I then decide to reinstall Kontakt 7 Player which took about 2 hours, then AC and then restarted my laptop and on booting up the DAW, no errors at all. Awesome. And then it hit me with the splash page from before again. Okay cool, I guess I just need to have NA open every time it starts up but this time, clicking activate makes the NA icon pop up on my dock for a fraction of a second and then immediately closes and gives me this error

At this point I have genuinely no clue what I'm supposed to do, I can't find any specific information anywhere on the internet beyond just "Try rebooting", "Try reinstalling" and "Try uninstalling, rebooting, installing and rebooting". I started this process around 11 am, its now almost 6 pm. I've literally been trying to get this one thing to work for longer than I slept last night