Hi Karen.
Thanks for your reply.
I think the issue may be related to your ActivBoard rather than the dual user options within the ActivInspire software.
I would recommend contacting Promethean Technical Support directly for this issue, please fill in the form below or click the link for the technical support numbers.
The form can be found here: http://goo.gl/j3AT8S
A list of support numbers can be found here: www.prometheanworld.com/.../technical-support-numbers
Should you contact us directly please quote the case number: 00450354.
Thanks
Adam
Promethean Technical Support