Alcor Micro does not provide public direct downloads for end-users (they supply OEMs like Dell, HP, Lenovo, Acer). Be very careful of third-party "driver updater" websites that bundle malware.
Alcor AU6370 Driver Windows: Download, Install, and Fix Guide (2026 Updated) Alcor AU6370 Alcor Au6370 Driver Windows
This error means Windows lost communication with the card reader chip. Alcor Micro does not provide public direct downloads
Offers the most recently updated Alcor Micro drivers (released as recently as February 2026) which are compatible with modern Windows 10 and 11 environments. Alcor SmartCard Reader Driver (Feb 2026) Alcor Micro USB 2.0 Card Reader Driver (ThinkCentre) Alcor Au6370 Driver Windows