Hello!

This means that your u-shield is not properly connected to the computer. Please pull out the u-shield and reinsert it (it is recommended to plug it into the USB interface on the motherboard instead of using the front interface). If the KEY The indicator light stays on, which means the connection is complete and you can start the operation again. If it still does not light up, please follow the steps below:

(1) Reinstall the driver of the corresponding brand.

(2) Check whether your system has been fully patched. If not, please use the UPDATE function of WINDOWS to upgrade.

(3) If your system is 2000 or XP, please select "Services" under "Administrative Tools" in the "Control Panel" to check whether SMART CARD is enabled. If not, please Enable.