If the drivers are correct but the card is still "Not Found," a background service may be stopped or a security feature may be blocking the reader. Enable Smart Card Service services.msc , and find the Smart Card service. Its status should be and Startup Type should be Disable Memory Integrity : In Windows 10/11, the "Memory Integrity" feature (under Core Isolation

If it works, keep these services disabled while using the tool.

Let me know if your error code differs or if you solved it another way!

: Some users found success by using an admin terminal and the pnputil command to force-remove existing smart card drivers before doing a clean install from a manufacturer like Identiv .

Ensure Windows Smart Card services are running: