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I am writing a windows service that is designed to be a class room management tool. One of the features to this applications is being able to lock the screen. I have everything working correctly except disabling task manager. I have found the group policy for disabling task manager is at "Hkey_Current_User\Software\Microsoft\Windows\CurrentVersion\Policies\System"

However the service is running as local system. So current user isn't equal to the currently logged in user. Also thinking about the problem more I have considered change the permission for C:\Windows\System32\taskmgr.exe to deny user execute permissions. Anyone see a reason this wouldn't work?


Any thoughts or suggest would be greatly appreciated.
Posted
Updated 1-Mar-11 19:48pm
v3

1 solution

You can't do it from a service. You'd have to load each user registry hive and poke the value in, then unload the hive, for each account on the machine. Even with just a few accounts, this can be a VERY time consuming process. This is better done simply using Group Policy alone instead of doing it from code.
 
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