To add nbsp into the dictionary, in the NetSpell pop-up window, click Add button.
It's strange. We don't heard the Ignore or IgnoreAll error.
Are you sure you have installed the NetSpell and Cute Editor correctly?
Is your site online so you can provide a URL?
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