Please open "cuteeditor_files\Configuration\AutoConfigure\Full.config", search:
<item type="dropdown" name="Codes" width="90" RenderItemBorder="true" text="[[Codes]]" />
change it to:
<item type="dropdown" name="Codes" width="90" RenderItemBorder="true" text="[[Codes]]" command="PasteHTML"/>
Regards,
Eric