How to solve this error-->access to the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\oursetting' is denied.

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I want to create or read registry key but access is denied or not allowed.

What I have tried:

C#

string user = Environment.UserDomainName + "\\" + Environment.UserName;
            RegistrySecurity rs = new RegistrySecurity(); 
            rs.AddAccessRule(new RegistryAccessRule(user, RegistryRights.ReadKey | RegistryRights.WriteKey | RegistryRights.Delete, InheritanceFlags.None, PropagationFlags.None, AccessControlType.Allow));//To allow permission
RegistryKey rk =Registry.LocalMachine.CreateSubKey("SOFTWARE\\Microsoft\\OurSetting");
            rk.SetValue("setting1", "hello");
            rk.Close();

Posted 3-May-16 2:10am

Member 11868117

Updated 11-May-16 1:47am

Santosh Kokatnur

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CHill60 3-May-16 8:34am

Run as administrator

Member 11868117 3-May-16 9:04am

If I create setup for this application then this error is occur or not when it run with adminstrator

CHill60 3-May-16 9:13am

See Solution 1. This (your way) is a VERY bad way of using the Registry. The clue is in the key name ... "\\Microsoft\\" - you should have your own sub-folder for your software - what if Microsoft were to change the structure of this part of the registry (unlikely perhaps) - your software would cease to work.

HobbyProggy 3-May-16 8:35am

Do you have administration rights? The Registry, and so is the path where Microsoft stores the keys, is locked (by privileges) for a reason you know?

Why won't you create a subkey in your own "folder" ?

Member 11868117 3-May-16 9:02am

Thanks for reply actually I want to modify existing registry key.and add new key.

Philippe Mori 4-May-16 12:16pm

You should never do that. The protection is there to stop malware like yours to make undesirable changes to the system without the user knowing it.

Philippe Mori 3-May-16 12:48pm

First of all, you should not use some other company name. Are you a virus writter that want to hide your stuff under someone else to somehow hide your malicious intent?

And for most application, you should not write to HKLM part of the registry. Most settings should be per user anyway.

By the way, registry access has been restricted so that people like you won't mess with other computer.

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OriginalGriff · Answer 1 · 2016-05-03T02:35:00

You cannot access very much of the registry without elevated permissions - which means UAC permission must be sought.

I'd strongly recommend that you don't use the registry at all, but store your data locally instead - access is restricted, and likely to become more restricted with time rather than less.

But: How to self-elevate an application to a high privilege level under UAC[^] may help in the (very) short term.

koolprasad2003 · Answer 2 · 2016-05-11T01:47:00

To access registry information or windows folder information, your user should have a administrative rights, OR in your EXE you can set the settings that run with administrative access only.
Right click on exe -> go to properties -> select Compatibility tab -> under privilege level -> check 'run this program as an administrator' checkbox

Hope it helps

How to solve this error-->access to the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\oursetting' is denied.

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