I am trying to configure RFT 8.6 with the installed browsers but getting errors while doing it, below are the configurations details of my setup followed up with the error I am facing...

RFT 8.6 on Windows 7 Professional SP1 ( 64bit) 
JRE : 1.7.0 (C:\Program Files (x86)\IBM\SDP\jdk\jre\lib)

Browser: Firefox 31.4 ESR and IE11

Problem: 1. It is failing in diagnostic test while trying to test FF, below is content from "Details" tab

    ____________________________________________________________________________
    Java Enabled
      Java Enabled In Browser = false
    JVM Information
        JVM Version = Error
        JVM Vendor = Error
    General Enablement Information
        Bootstrap Loaded = Error
        Java2TestDomainImplementation Loaded = Error
        HtmlTestDomainImplementation Loaded = Error
        HtmlTestDomainImplementation Name = Netscape
    ____________________________________________________________________________

Problem 2: It if failing to while trying to enable it from RFT > Enable environment', it is showing error message `' Failed to enable the browser. Browser location is c:\Program files\internet explorer'`