Install-Block

Install-Block allows you to password-protect the installation of programs. Prevent users of your computer from installing unwanted software which may potentially contain spyware or adware. Install-Block also allows you to block any window you want, including the Control Panel, Recycle Bin, or Internet Explorer.
Install-Block Features:

Prevent users from installing, or un-installing any program
Prevent users from accessing System Properties, Display Properties, Command Prompt, Internet Options, and the Run dialog
Prevent users from deleting files or emptying the Recycle Bin
Prevent children from using instant messaging programs, file sharing programs, or other content you find unsuitable.

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