SignedInWrongDisplayName
From MercuryWiki
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Description
Since a few days (written on 20091119), when you sign in, the display name you signin with may be incorrect. This name does not come from Mercury but from the msn server so I expect it to be a server side problem that will resolve itself. The name that is used is the first name of your Live Account.
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Solution
Temporary solution is to visit http://accountservices.msn.com/editprof.srf and change your first name there. This will be your initial display name the next time you sign in.
A second temporary solution is to use a percent sign in your name ('%'), it will also make Mercury use your local name instead of the one provided by the msn server. In the next version I'll add a option that sets Mercury to always ignore the server name.
