HKLM registry sub key permission set

Sridhar Mohan

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

5 Replies

Know the answer? Post it — somebody with the same question will find it here.

Laxmidhar Sahoo6y ago
@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
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Amit Gupta6y ago
Try running your app as an administrator
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Sridhar Mohan6y ago
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??

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Laxmidhar Sahoo6y ago
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));
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Abhijeet Jadhav6y ago
Check, this post might be helpful.

https://www.c-sharpcorner.com/uploadfile/puranindia/the-windows-registry-in-C-Sharp/
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