A: Windows 11’s inbox driver took over. You must force-install the Castles driver via "Have Disk."
Open – ensure Smart Card Service (SCardSvr) is running and set to Automatic . Step 5: Test with Your Smart Card Use PC/SC Diag (Microsoft SDK tool) or a simple PowerShell command: ez100pu smart card reader driver windows 11 better
A: Version 3.1.0.0 (Win10) may work but is less stable. Version 3.2.5.0 is preferred. A: Windows 11’s inbox driver took over