Hi Andrei,
The ProfileInfoModel does not contain ID property but in the Views\Profile\Info.cshtml there are two lines that pass the Model.Id to the @Html.Widget method.
This throws an error in runtime.
http://nopcommerce.codeplex.com/SourceControl/latest#src/Presentation/Nop.Web/Views/Profile/Info.cshtml
http://nopcommerce.codeplex.com/SourceControl/latest#src/Presentation/Nop.Web/Models/Profile/ProfileInfoModel.cs
Thanks