How to change Registry string value?

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Hello I am a bit confused trying to figure out why the registry value of type string does not change with the code that i am using

VB

Dim myReg As RegistryKey = Registry.LocalMachine
           Dim MyRegKey As RegistryKey
           Dim MyVal As String
           MyRegKey = myReg.OpenSubKey("SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon", True)
           MyVal = MyRegKey.GetValue("Shell")
               MyRegKey.SetValue("Shell", "%windir%\explorer.exe, explorer.exe", RegistryValueKind.String)

any help would be great thank you!!

This code throws no error and it requires admin privileges but the value will not seem to change in regedit?

Posted 21-Nov-13 16:50pm

Draco2013

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TnTinMn 22-Nov-13 0:50am

Is your application 32 bit running on a 64 bit OS?
If so, check: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon
for the changes.

Edit: If 64 bit OS and 32 bit application
For .Net 4.0 and above:
Dim myReg As RegistryKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64)

For .Net 3.5 and below, see: http://www.roelvanlisdonk.nl/?p=915

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Abhinav S · Accepted Answer · 2013-11-21T16:55:00

Solution 1

You have to run the program as an administrator to access registry.

Posted 21-Nov-13 16:55pm

Abhinav S

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Draco2013 21-Nov-13 23:20pm

my question states that and i am aware of that but there is no change

ArunRajendra · Accepted Answer · 2013-11-21T17:27:00

Solution 2

This article describes how to elevate a process to run as admin. http://code.msdn.microsoft.com/windowsdesktop/CSUACSelfElevation-644673d3[^]

This article talk about impersonation before executing a code block that needs to be executed as admin.

http://stackoverflow.com/questions/1168571/run-code-as-a-different-user-c[^]

Posted 21-Nov-13 17:27pm

ArunRajendra

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Draco2013 21-Nov-13 23:40pm

Ok thank you for this but is there any problem with the code?

Draco2013 22-Nov-13 0:56am

I like the elevated user link but have no idea why its important or useful to run the program as a different user?...