I was following the MVCMusic tutorial with an machine with full sql server 2008 r2 and full visual studio professional and when I got to the page where it sets up membership (near page 66) the Web administration tool wont work, i got the following error:

An error was encountered. Please return to the previous page and try again.

my web config is like this:

<connectionStrings>
        <clear />
        <add name="MvcMusicStoreCN" connectionString="Data Source=.;Initial Catalog=MvcMusicStore;Integrated Security=True" providerName="System.Data.SqlClient" />
        <add name="MvcMusicStoreEntities" connectionString="metadata=res://*/Models.Store.csdl|res://*/Models.Store.ssdl|res://*/Models.Store.msl;provider=System.Data.SqlClient;provider connection string=&quot;Data Source=.;Initial Catalog=MvcMusicStore;Integrated Security=True;MultipleActiveResultSets=True&quot;" providerName="System.Data.EntityClient" />
    </connectionStrings>

<system.web>
<membership defaultProvider="AspNetSqlMembershipProvider">
            <providers>
                <clear />
                <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" 
                     connectionStringName="MvcMusicStoreCN" enablePasswordRetrieval="false" 
                     enablePasswordReset="true" requiresQuestionAndAnswer="true" requiresUniqueEmail="false" 
                     maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" 
                     passwordAttemptWindow="10" applicationName="/" passwordFormat="Hashed"  />
            </providers>
        </membership>
        <profile>
            <providers>
                <clear />
                <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" 
                     connectionStringName="MvcMusicStoreCN" applicationName="/" />
            </providers>
        </profile>
        <roleManager enabled="true" defaultProvider="MvcMusicStoreCN">
            <providers>
                <clear />
                <add connectionStringName="MvcMusicStoreCN" applicationName="/"
                  name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" />
                <add applicationName="/" name="AspNetWindowsTokenRoleProvider"
                  type="System.Web.Security.WindowsTokenRoleProvider" />
            </providers>
        </roleManager>
</system.web>