HKLM registry sub key permission set

Question

Hello,

I need to set the permission for HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System to Full Control.

Is there any possibility this can be done programatically using C sharp???

Kindly help me out

Laxmidhar Sahoo · Answer

@Sridhar hey @"users" means your system login user name and one choose out of four Righrts those are RegistryRights.WriteKey | RegistryRights.ReadKey | RegistryRights.Delete | RegistryRights.FullControl

Amit Gupta · Answer

Try running your app as an administrator

Sridhar Mohan · Answer

Hello Lakxmidhar Sahoo, Thank you for your response ,I tried the way u suggessted and below is my code RegistrySecurity rs = new RegistrySecurity(); string currentUserStr = @"Users"; rs.AddAccessRule(new RegistryAccessRule(currentUserStr, RegistryRights.WriteKey | RegistryRights.ReadKey | RegistryRights.Delete | RegistryRights.FullControl, AccessControlType.Allow)); RegistryKey Local; Local = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Policies\System", true); Local.SetValue("EnableLUA", 0); Local.Close(); I am getting the below error,If i check the full control checkbox it is working.Could you help me please??

Laxmidhar Sahoo · Answer

Namespace: System.Security.AccessControl Assemblies: Microsoft.Win32.Registry.AccessControl.dll, mscorlib.dll, Microsoft.Win32.Registry.dll using namespaceses using System; using System.Security.AccessControl; using System.Security.Principal; using System.Security; using Microsoft.Win32; USe in your code RegistrySecurity rs = new RegistrySecurity(); // it is right string for this code string currentUserStr = Environment.UserDomainName + "\" + Environment.UserName; rs.AddAccessRule( new RegistryAccessRule(currentUserStr, RegistryRights.WriteKey | RegistryRights.ReadKey | RegistryRights.Delete | RegistryRights.FullControl, AccessControlType.Allow));

Abhijeet Jadhav · Answer

Check, this post might be helpful. https://www.c-sharpcorner.com/uploadfile/puranindia/the-windows-registry-in-C-Sharp/

HKLM registry sub key permission set

Answers (5)