Cannot install JBDS 6.0.0.Alpha1 on x86_64 Win

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Cannot complete the install because one or more required items could not be found.
Software being installed: JBoss Developer Studio (Branded Product) 6.0.0.Alpha1-v20120904-0259-H12 (com.jboss.jbds.all 6.0.0.Alpha1-v20120904-0259-H12)
Missing requirement for filter properties ~= $0: Equinox p2 Core Function 1.1.0.v20120524-0542-8297FncFWmE7h4Asq1cgrz-i38 (org.eclipse.equinox.p2.core.feature.feature.group 1.1.0.v20120524-0542-8297FncFWmE7h4Asq1cgrz-i38) requires 'org.eclipse.equinox.security.win32.x86_64 [1.0.100.v20120522-2049]' but it could not be found
Cannot satisfy dependency:
From: JBoss Developer Studio (Branded Product) 6.0.0.Alpha1-v20120904-0259-H12 (com.jboss.jbds.all 6.0.0.Alpha1-v20120904-0259-H12)
To: com.jboss.jbds.product.feature.feature.group [6.0.0.Alpha1-v20120904-0259-H12]
Cannot satisfy dependency:
From: JBoss Developer Studio (Core Features) 6.0.0.Alpha1-v20120904-0259-H12 (com.jboss.jbds.product.feature.feature.group 6.0.0.Alpha1-v20120904-0259-H12)
To: org.eclipse.equinox.p2.core.feature.feature.group 0.0.0
Application failed, log file location: C:\hudson\workspace\devstudio-installation-6.x\jdk\sunjdk1.6\os\winos64xp\devstudio-installer.test\target\jbds\studio\p2\director\configuration\1346852817531.log