Customer Service - Download Help
When I tried to check out, I received an invalid cookie error that said my logon ID may be in use by another user. What does this mean?
The cookie is based on what you have in your shopping cart in the browser. If you tried to add something without allowing the browser to update after a previous addition, you may receive this error. Unfortunately, this also means you have to start all over again. Hit the back button on your browser and make a note of the products in your shopping cart. It's best to close your browser and open it again to allow the cookie to expire. Add the products back to your cart and proceed to check out.
From here you can: