Unplug your RFT200 reader from the USB port to prevent driver conflicts during the install.
In the world of RFID and smart card technology, hardware is only as good as the software that communicates with it. If you are using the , a popular desktop contactless smart card reader, keeping your drivers current is the single most important thing you can do to ensure security, compatibility, and speed. wbe rft200 driver updated
If you’ve updated the driver but the reader still isn't working, check the following: Unplug your RFT200 reader from the USB port