Why am I getting a broken asset file error?
We have updated HDRI to fix that bug. You can install the new updated version for free through your account page. If you have not yet set up your account, here are instructions to do so:
Follow this link to set up your password and get access to your account. The new site will give you access to all of your products and download links. You will need to set up your account using your purchase email address.