Process: IRW.exe (IR Receiver Application)
from 
Stardock Forums
Stardock Forums
IRW.exe - General Information
Name:
IRW.exe (IR Receiver Application)
Publisher
Apple Inc.
Product:
Boot Camp
Default location:
%windir%\system32\IRW.exe
IRW.exe - Description and Recommendation
Apple Infrared Receiver Process for Macintosh computers running Windows. It is safe to disable if the Apple Remote will not be used.
IRW.exe - Uninstall Techniques
Not recommended to uninstall, as the rest of Apple Boot Camp software would be removed.