Win 7 RC Ultimae.1-i tried Running power shell from standard accont with following line " md c:\user\eval\Adi" ,It worked, and saved this file as az.ps1,2- i opened a command prompt and tried to run it,I continiued to recieve az not a internal/external commnd.3- startedcommand prompt with adminstrator right same result were obtained.4- satrted powershell with Admin right recieved scripts are disabled on your system, at this point i took it as default security configuration of windows 7 when installed.5- again started powershell( now this time with admin privilege) and created one folder in C:\users\eval\i was able to delete folder created with admin right from standard user account, if scripts are disabled by default then how it come sometime you are able to run script with powershell.regardsadiA K