License Authorization/Activation

I have successfully downloaded the Altair Embed basic 2019.2, but when I try to do a license setup (Activation) by entering the email address and password which i used for registration. it gives me below 2 error, as attached.<?xml version="1.0" encoding="UTF-8"?>

<?xml version="1.0" encoding="UTF-8"?>

Unable to retrieve authentication code from portal due to network error

SOAP 1. 1 fault SOAP-ENV:Client [no subcode]

'Error 405: HTTP method not allowed'

Detail: [no detail]

I have no issue with my internet. I need help to Authorize/Activate the license.

Thanks in advance.