Hi lwb1962,
If you do not want to upgrade to the latest version. Please try set the upload type to IFrame.
1. Open file "CuteSoft_Client\CuteEditor\Dialogs\InsertGallery.aspx"
2. Find section below
<ce:uploader id="myuploadFile" runat="server"></ce:uploader>
3. Change it to
<ce:uploader id="myuploadFile" runat="server" UploadType="IFrame"></ce:uploader>
4. This setting change is the "Insert Gallery" dialog.
Regards,
ken