Hi finalcustomer,
1. Download the package http://www.cutesoft.net/downloads/folders/21855/download.aspx
2. Delete file "LiveSupportWeb.dll", "CuteChat.dll" and "CuteChat.AppCode.dll". (before this step, please backup the files)
3. Delete folder "CuteSoft_Client". Please do not replace, just delete it. (before this step, please backup the files)
4. Re-deploy the files/folder above.
Regards,
Ken