To install the ozpost module on a windows based server you'll need to make the code changes that have been kindly provided by lat9.
http://www.zen-cart.com/showthread.p...72#post1254572
(post#2055 in this thread if the link doesn't work properly)
This error is unrelated to ozpost itself. It suggests that you don't have cURL installed on your Windows machine.
Cheers
RodG
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