Unable to select a state when registering

I'm currently in the UK and I'm trying to register for turbo tax to file for my US C corp. However when I get to the registration form it won't allow me to select a state. Instead of US states its showing UK counties.

I've tried using a VPN with my location set to Texas but its still only showing UK counties. If I select a UK county then the form fails.

Can someone guide me where I can find assistance on this to at least register?

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