hermesJMS in SOAPUI Pro 4.6.4

I set the Hermes JMS tool to this path 'C:\Program Files\SmartBear\SoapUI-Pro-4.6.4\hermesJMS' and I get an error: Windows cannot find 'c:\program files\smartbear\soapui-pro-4.6.4\jre\javaw' - why...