USPS Forcing GXG Shipping on International Orders

I have a problem similar to the one shown here:
http://www.zen-cart.com/forum/showthread.php?t=171748

The difference is that my customer's orders are auto-forced to go with Global Express (GXG) service.

Both Priority and Express appear as possible options, but even if I select one of these, the GXG choice is automatically made during the final step of checkout.

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I have already tried downloading and implementing the new USPS shipping module from post #26. There is no effect.

You can test and experiment with the site here:
http://www.vidabox.com/store/

Please kindly advise what other things we can try - thank you!

Please ensure that you are using the current USPS January 2, 2011 C from post #26 on:
http://www.zen-cart.com/forum/showthread.php?t=171314&highlight=USPS+January+2011

Sounds like you are using A or B ...

::facepalm::

Well, I thought I uploaded ver. C already, but I tried again as suggested to be 100% sure... and now it's working.

Thanks again!

Thanks for the update that you just had the wrong current version for the USPS January 2, 2011 loaded and just needed to install the C version ...