We apologize but looks like you need to make some changes to your device to complete and send your completed registration and intake documents to your provider follow these articles below:

1.You need to clear your history in your browser here is a link for the steps.https://support.therasoftonline.com/knowledgebase.php?article=231

2.You also need to have your popups enabled in your browser here is the link for the steps.https://support.therasoftonline.com/knowledgebase.php?article=123