KYORITSU KEW Report Windows 7 - Manual (Page 5)

(9) After installation has ended, when a balloon shown below appears, please install by the following procedure.
(10) Right click on "USB Serial Port" in the "Other devices" from "Device Manager" and select.
Select "Update Driver Software..." from the inside of the item.
(11) Repeat above step (3) through (7). Install is completed when the wizard finishes. Click “Close”.