Hello! First time posting on here, I hope I'm in the right topic

So, this morning I wanted to launch the game after not playing for a few days, and I got this error:

https://i.imgur.com/8aaIsSi.png

I have no idea what any of this means, some other posts I have found say to disable directx11, or adjust other things ingame, but I can't make it that far. It gives me this error shortly after I press play on the square enix launcher.

Useful information:
I have recently (less than a week ago) upgraded several bits of my pc, changed from windows 7 to 10, and this is sadly not the only issue I've experienced. I had to reinstall windows 10 twice, reinstall/re-verify other games multiple times, switch to another browser after microsoft edge stopped working, andsoforth.

PC Specs:
AMD Ryzen 7 1700
ASUS ROG Strix B450-F
GTX 1060 3GB version
8gigs of DDR4 2400MHz RAM

Does anyone have an idea what this error causes, and what I could do to fix it? I can't verify the integrity of my game cache in steam, and I would like to save the reinstall-ffxiv as a last resort because of poor internet