do you use roboform or some other program to store your passwords? Then you know for sure you are not putting them in wrong. You can get a free trial version of roboform.com
I think there is a link on the front page you can use to contact DXsupport.Yes, right under DXinone, it says Dxsupport and then you create thread and choose the right area you are looking for. Then you wait and it allows you to go to the next area to choose a further subtopic. Then it asks you to put a subject, look at FAQ you just click continue to put your message in.

amy