I put in XXXXX where there was information about my SQL server Login..
<cuteChat WebFilePath="~/CuteChat/" IPAddressPolicy="*" BadWords="," AllowAnonymous="Allow" LoginUrl="~/Login.Aspx" HelpUrl="http://www.cutesoft.net/" LogoUrl="images/logo.gif" ExitUrl="~/" Culture="en-us" ConnectionString="server=XXXXXX;uid=XXXXXX;pwd=XXXXXX;database=CuteChatSample;" UpdateMessageInterval="1000" UpdateOnlineInterval="20000" GuestNamePattern="^[0-9a-zA-Z\u0100-\uFFFF _\.\-]{2,20}$">
<providers defaultProvider="Sample">
<provider name="Sample" sqlDataProviderType="CuteChatSample.MySqlDataProvider,CuteChatSample" />
<provider name="Test" sqlDataProviderType="CuteChatWeb.CustomSqlDataProvider,CuteChatWeb" />
<provider name="DotNetNuke" sqlDataProviderType="CuteChat.DotNetNukeLib.DotNetNukeSqlDataProvider,CuteChat.DotNetNukeLib" userIdentityAdapterType="CuteChat.DotNetNukeLib.SqlServerUserIdentityAdapter,CuteChat.DotNetNukeLib" />
<provider name="Rainbow" sqlDataProviderType="CuteChat.RainbowLib.RainbowSqlDataProvider,CuteChat.RainbowLib" userIdentityAdapterType="CuteChat.RainbowLib.SqlServerUserIdentityAdapter,CuteChat.RainbowLib" />
<provider name="IBuySpy" sqlDataProviderType="CuteChat.IBuySpyLib.IBuySpySqlDataProvider,CuteChat.IBuySpyLib" userIdentityAdapterType="CuteChat.IBuySpyLib.SqlServerUserIdentityAdapter,CuteChat.IBuySpyLib" />
<provider name="AspNetForums" sqlDataProviderType="CuteChat.AspNetForumsLib.AspNetForumsSqlDataProvider,CuteChat.AspNetForumsLib" userIdentityAdapterType="CuteChat.AspNetForumsLib.SqlServerUserIdentityAdapter,CuteChat.AspNetForumsLib" />
<provider name="AspNetForums2" sqlDataProviderType="CuteChat.AspNetForums2Lib.AspNetForums2SqlDataProvider,CuteChat.AspNetForums2Lib" userIdentityAdapterType="CuteChat.AspNetForums2Lib.SqlServerUserIdentityAdapter,CuteChat.AspNetForums2Lib" />
<provider name="SharePoint" sqlDataProviderType="CuteChat.SPLib.SharePointSqlDataProvider,CuteChat.SPLib" userIdentityAdapterType="CuteChat.SPLib.SharePointUserIdentityAdapter,CuteChat.SPLib" />
</providers>
</cuteChat>