Allow the installer to register the system DLLs. Restart your system when prompted to refresh the Windows Smart Card service subsystem.
– The Atos website maintains product documentation and download information for CardOS API V5.5 for all major platforms. Cardos Api V5.5 Download
This is the definitive "paper" you are looking for. It is the official manual provided to partners and developers. Allow the installer to register the system DLLs