Windows Smart Card service is disabled. Fix:
Before downloading any driver, check the back of your reader. The label should say "EZ100PU" or "EZ100PU Rev. 2.0/3.0." Some clones exist, but the standard driver works for 95% of devices. However, note that: ez100pu smart card reader driver windows 10
The following guide covers where to find the correct driver, how to install it, and how to fix common recognition issues. Windows Smart Card service is disabled