disable autorun for flash with C#

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Hello all,

I want to disable autorun for flash with C#.

I write the following code:

C#

string root = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\IniFileMapping\\Autorun.inf";

RegistryKey Rkey1 = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer", true); 
RegistryKey Rkey2 = Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer", true); RegistryKey RKey3 = Registry.LocalMachine.OpenSubKey(root, true);

Rkey1.SetValue("NoDriveTypeAutoRun", 255);
Rkey2.SetValue("NoDriveTypeAutoRun", 255);
disable RKey3.SetValue("", "@SYS:DoesNotExist");

This code works on my PC, but it doesn't work on laptop. Two setValue commands works and third setValue doesn't work on laptop.

Please help me!

Posted 3-May-12 19:29pm

maryam ak

Updated 3-May-12 19:46pm

Mehdi Gholam

v2

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Sergey Alexandrovich Kryukov 4-May-12 1:32am

I have somewhat limited access to your laptop in May... :-)
How can anyone figure out your problem without knowing what OS versions do you use?
--SA

maryam ak 4-May-12 1:36am

they have same version

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John Orendt · Answer 1 · 2012-05-04T00:44:00

test your key before you use it.

C#

const bool PermissionToWriteToRegistry = true;
key = Registry.CurrentUser.OpenSubKey(RootKey, PermissionToWriteToRegistry);
// If the return value is null, the key doesn't exist
if (key == null)
{
 // The key doesn't exist; create it / open it
 key = Registry.CurrentUser.CreateSubKey(RootKey);
}