If you get this message when you log in:

Changes to your accountAs a result of the changes in funding and the move to a limited company we now need to ask for a little more information from you. Once we have this information you will have full access to all the usual services and activities and much, much more! And it’s all still FREE!We’ll contact you again in Spring 2009 to check that you’d still like to be a member. Many thanks for your understanding.PLEASE UPDATE YOUR DETAILS MARKED WITH A RED ASTERISK (UNDER EDIT PROFILE)  

Here's what you do:

Click on the 'Edit Profile' tab located in your profile page.

Here you will see a number of fields which you can then update.

The reason we have done this is to get information on our users for statistics for our funders / funding applications and also to be able to give you a better service.