Only ie kernel is supported, and it must be ie8 or below. Win7 installation class comes with ie8, and win8 only comes with ie9 or ie 10. Win8 can't get in, except demotion. If you use roaming, none of these browsers will work. Like roaming, this ie-compatible mode uses the ie kernel on your computer instead of roaming with a lower version of ie kernel, which is no good. You must change your computer or system or downgrade ie.