How to run WD Red SMART load/unload utility in Windows 8.1

Welcome to the Community. Maybe you should try contacting WD’s Technical Support about this. You can do so either by phone or email.

To Contact WD for Technical Support
http://support.wdc.com/contact/index.asp?lang=en

Support by Country
http://support.wdc.com/country/index.asp

Regards,