HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Calais\Readers Right-click an empty space in the right pane, select DWORD (32-bit) Value Name it exactly RetryDeviceInitialize Double-click it, set the Value data , and ensure Hexadecimal Restart your computer to apply the fix. 3. Reinstall or Update the Driver If the reader appears with a yellow exclamation mark in Device Manager , the driver is likely corrupted. Microsoft Learn Smart Card Troubleshooting | Microsoft Learn
Verify the card is inserted face up with the chip entering the reader first. the smart card reader is not configured properly install
Download the approved middleware software package (such as ActivClient, Charismathics, or SafeNet) from their official portal. Install the software using administrative privileges. Reboot your computer after the installation completes. 4. Repair the Smart Card Device Enumerator Microsoft Learn Smart Card Troubleshooting | Microsoft Learn
If you want to troubleshoot this configuration error further, let me know: What of smart card reader are you using? Reboot your computer after the installation completes
Visit the official manufacturer website (e.g., HID Global, Identiv, Cherry) to download the latest driver package for your specific operating system version.
Look for your reader's name (e.g., OmniKey , Identiv , SCR3310 , or Microsoft Usbccid Smartcard Reader ). If you see a yellow exclamation mark or "Unknown Device": Right-click the device and select . Choose Search automatically for drivers .
To help tailor a specific resolution for your setup, let me know: What is your smart card reader?