Hi Michael,
I'm running a Windows 2008 R2 64 bit box and get the following error.
System.Runtime.InteropServices.COMException (0x80040154): Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.EnterpriseServices.Thunk.Proxy.CoCreateObject(Type serverType, Boolean bQuerySCInfo, Boolean& bIsAnotherProcess, String& uri)
at System.EnterpriseServices.ServicedComponentProxyAttribute.CreateInstance(Type serverType)
at System.Runtime.Remoting.Activation.ActivationServices.IsCurrentContextOK(RuntimeType serverType, Object[] props, Boolean bNewObj)
at BizTalk.BuildGenerator.BizTalkHelper.GetApplications() in C:\Codeplex\BizTalkBuild\Trunk\Source\BizTalk.BuildGenerator\BizTalkHelper.cs:line 63
at BizTalk.BuildGenerator.UI.UserControls.ApplicationDescriptionControl.ApplicationDescriptionControlLoad(Object sender, EventArgs e) in C:\Codeplex\BizTalkBuild\Trunk\Source\BizTalk.BuildGenerator.UI\UserControls\ApplicationDescriptionControl.cs:line 20
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.SetVisibleCore(Boolean value)
at Divelements.WizardFramework.Wizard.g()
at Divelements.WizardFramework.Wizard.set_SelectedPage(WizardPageBase value)
at Divelements.WizardFramework.Wizard.GoNext()
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Send you offline more complete information about the virtual machine and loaded assemblies.
Cheers
Samuel