I am facing a issue regarding installation of Microsoft Mediaroom Simulator in Windows XP SP3 machine(MDT), which are using for IPTV projects. Earlier the simulator was working fine in XP sp2 after OS upgrade it’s not working. it’s not throwing any error but when I start the Simulator the machine hangs. I tried Vista OS also but not working and suspecting harden issue. For your reference please find the attachment. kindly guide.