How to prohibit installing software in XP?

Start Menu - Run - Enter “gpedit.msc”, open Group Policy, open: Computer Configuration -> Administrative Templates -> Windows Components -> windows installer -> Start “ Disable windows installer" And & ldquo; prohibit user installation & rdquo;

Double-click in the Windows Installer right window to disable Windows Installer check - select is enabled, click OK.

Enabled in the policy: disable “Add/Remove Programs, and then enable the following policy: Console--User Configuration--Administration Template--System" Application & rdquo;, in the "Allowed Application List", "Add a program that allows the application to run and allow you to run the program limit and limit

You can make restrictions in Group Policy, but just use You can enter the group policy, then he can still install the file, set the method to enter the group policy, enter the user rights settings to find the installation file item to delete all user names.