Right-click your device (e.g., HID USB Smart Card Reader) and select . Unplug the reader and restart your computer.

This comprehensive guide will walk you through the root causes and provide step-by-step solutions to resolve the error permanently.

Right-click the Windows Start menu and select . Expand the Smart card readers section.

A corrupt driver is the most common cause. Here is how to properly reinstall:

Which (e.g., Windows 10, Windows 11, macOS) is installed on your computer? Share public link

Many secure identity cards (such as corporate badges, government CACs, or national ID cards) require specialized software called middleware to bridge the gap between the card, the reader, and your applications.

Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SCardSvr