If i want to run a .cmd with the followinf code: ;uninstalls netmeeting RunDll32 advpack.dll,LaunchINFSection %windir%\inf\msnetmtg.inf,NetMtg.Remove ;uninstalls windows messenger RunDll32 advpack.dll,LaunchINFSection %windir%\INF\msmsgs.inf,BLC.Remove will it work or is it too early? second is there a value i can put in my winnt.sif under [Components] AccessOpt = Off Chat = Off to prevent NetMeeting from being installed?