User address shows up as url link that doesn't exist

One of the users in my wiki reflects properties that indicate her address is a link, not an email address. Neither she nor I can understand that. I wasn't able to remove her from the user list, so she submitted a request to join, and I approved that. The options didn't allow me to approve her as a page-level, so I approved her as a writer. When I looked at the user list, I found that it had changed the previous entry for her to writer level but KEPT the link as her address. We're back where we started!
 
sad I’m frustrated and confused.
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