Yes I did, I had all the files at the time under cs and CuteSoft_Client sub directory. The settings I use for the editor are as follows - are the last two lines of code causing problems? They seemed to work fine with version 5.0, in fact without them, strange characters were introduced when hitting the enter key. thats why I added them in after seeing your comments on the forum and it has worked since then.
this
.TemplateEditor.ThemeType = CuteEditor.ThemeType.Office2003_BlueTheme ;
this.TemplateEditor.ShowHtmlMode = false;
this.TemplateEditor.ShowPreviewMode = false;
this.TemplateEditor.ShowBottomBar = false;
this.TemplateEditor.DisableAutoFormatting = true;
this.TemplateEditor.BreakElement = CuteEditor.BreakElement.Br;