This functionality is supported only if you are using the Classic Agent.
If your VB/ActiveX application uses richtextbox controls, you need to base that control on riched32.dll version 5.00.213.4.1 which supports Unicode text characters. Before you begin using Silk Test Classic with Unicode content, check to make sure you do not have the older riched32.dll version (4.00.993.4). To do this: