Please check this step:
Modify web.config file and specify the Cute Chat Connection String and Connection String Provider
<appSettings>
...
<add key="ConnectionString" value="server=(local)\portal;database=SamplePortal;uid=test;pwd=test"/>
<add key="CuteChat.ConnectionStringProvider" value="SamplePortal.ConnectionStringProvider,SamplePortal"/>
</appSettings>
asp.net Chat http://cutesoft.net/ASP.NET+Chat/default.aspx
Web Messenger: http://cutesoft.net/Web-Messenger/default.aspx
asp.net wysiwyg editor: http://cutesoft.net/ASP.NET+WYSIWYG+Editor/default.aspx
asp wysiwyg html editor: http://cutesoft.net/ASP
asp.net Image Gallery: http://cutesoft.net/ASP.NET+Image+Gallery/default.aspx
Live Support: http://cutesoft.net/live-support/default.aspx