When I try to register, a red asterisk appears beside my email address, even though I know that it's valid. I can't authorize/de-authorize my product

Registration/Downloading Issues When I try to register, a red asterisk appears beside my email address, even though I know that it's valid. I can't authorize/de-authorize my product.

In the process of making our website better, we've upgraded parts of our server which makes some of our products unable to connect with our server. 

Problem:
When I try to register, a red asterisk appears beside my email address, even though I know that it's valid.
OR
I can't authorize/de-authorize my product, download videos or check for updates.

Solution:
We are offering free updates to all customers who own the products listed below in order to rectify this issue. The download  is only megabytes in size and will clear up any issues you may be having. We appreciate your patience in this matter and apologize for any inconvenience. Download links will be available at askvideo.com shortly, if they aren't there already.

If you have one of the following products you may be affected by this:

■Cubase 5-9 Tutorial DVD Level 1 - Download Update (version 1.140): Mac, PC
■Cubase 5-9 Tutorial DVD Level 2 - Download Update (version 1.140): Mac, PC
■Pro Tools 8-12 Tutorial DVD Level 1 - Download Update (version 1.140): Mac, PC
■Pro Tools 8-12 Tutorial DVD Level 3 - Download Update (version 1.140): Mac, PC
■Pro Tools 8-12 Tutorial DVD Level 4 - Download Update (version 1.140): Mac, PC
■ReCycle Tutorial (Download Only) - Download Update (version 1.140): Mac, PC
■Auto-Tune Tutorial (Download Only) - Download Update (version 1.140): Mac, PC