POLAR Adapter and Bridge Driver IrDA USB 1.1 - Manual (Page 6)

Driver Installation With Windows Vista Operating System
For Windows® Vista operating system follow the instructions below.
We recommend you insert the CD in your PC and start by installing the USB 1.1 IrDA Bridge Driver.
However, if it does not, open the CD Driver IR778 and select Autorun. On Windows Operation System,
select folder WinDriver and setup.exe file.
Select Allow to continue with the installation process.
Polar IrDA USB 1.1 Adapter and Bridge Driver User manual 6