I've been playing FF14 with no problems until today. Today, whenever I fire up the launcher, I basically get a box with the WoL on it, and 3 lines of "A connection error occurred. Please try again later." My friends are able to log in perfectly fine.

No windows updates have happened since I last played and today.

Pinging Square Enix there is no data loss.

I have tried re-installing, restarting my pc and router, downloading the non-steam version of the launcher and using that, tried restoring the game data.

Everything else connected to my pc works fine with the internet.
However, it works perfectly fine on my laptop (which isn't good enough to run ff14 even on the lowest settings).