(WITH ADMINISTRATOR ACCOUNT)
1 - Right click on My Computer > Manage
2 - Open the Local Groups and Users > Then open Users
3 - Search for the user account that you want to restrict the installations and other stuffs > Righ-click on it > Select Properties
4 - On the Member Of tab > Remove all group in this list > Click ADD and then write USERS Press OK and OK again.
5 - Close all windows, make logoff and logon with the users that we assign the new group.
6 - Try to install or make changes in the Control Panel