In the Startup Properties dialog box, specify the options that you want, as follows, and then click OK:
Startup Scripts for Group Policy object: Lists all the scripts that are currently assigned to the selected Group Policy object. If you assign multiple scripts, the scripts are processed in the order that you specify. To move a script up in the list, click it, and then click Up. To move a script down in the list, click it, and then click Down.
Add: Opens the Add a Script dialog box, where you can specify any additional scripts to use.
Edit: Opens the Edit Script dialog box, where you can modify script information, such as name and parameters.
Remove: Removes the selected script from the Startup Scripts list.
Show Files: Displays the script files that are stored in the selected Group Policy object.