Use Device Manager → Right-click reader → Uninstall device → Check “Delete driver software for this device.” Then run pnputil /enum-drivers to find and remove orphaned packages.

Unplug the reader and restart your PC. Plug it back in; Windows should reinstall the generic driver automatically. Microsoft Update Catalog : If you need a specific file, search the Microsoft Update Catalog for "Generic smart card driver". Microsoft Learn Identifying Your Specific Hardware