Implementing RBAC in yii framework in xampp

Iam developing web application in yiiframework. I have problem in Implemeting RBAC in yiiframework. I write in the command-prompt to patch the file. I put my file inside the protected/commands/shell/RBACfolder yiic shell config\main.php.

so,I tried to run my script in the command-line. but I cant run. any help please

What error message do you get? Are you in root folder from your application?