Yuvika,
To upgrade to version 6.4, you need to update the files under CuteSoft_Client\CuteEditor\Scripts and CuteEditor.DLL.
>>And does the latest version also solves the issue of design of cute editor being distorted when opened in iframe
Yes.
Demo:
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