C# 试图在c注册表中执行未经授权的操作

我想使用c应用程序更改浏览器主页

我知道在internet explorer中我必须更改注册表 我使用这个代码

 RegistryKey startPageKey = 
     Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Internet Explorer\Main",
     RegistryKeyPermissionCheck.ReadWriteSubTree,RegistryRights.WriteKey);
     startPageKey.SetValue("Start Page", "http://stackoverflow.com");
     startPageKey.Close();

但出现这种错误：

System.UnauthorizedAccessException was unhandled
  HResult=-2147024891
  Message=Attempted to perform an unauthorized operation.
  Source=mscorlib
  StackTrace:
       at Microsoft.Win32.RegistryKey.Win32Error(Int32 errorCode, String str)
       at Microsoft.Win32.RegistryKey.SetValue(String name, Object value, RegistryValueKind valueKind)
       at Microsoft.Win32.RegistryKey.SetValue(String name, Object value)
       at WindowsFormsApplication1.Form1.button1_Click(Object sender, EventArgs e) in D:\Users\eng-mayer\documents\visual studio 2010\Projects\WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs:line 37
       at System.Windows.Forms.Control.OnClick(EventArgs e)
       at System.Windows.Forms.Button.OnClick(EventArgs e)
       at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
       at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.ButtonBase.WndProc(Message& m)
       at System.Windows.Forms.Button.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
       at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.Run(Form mainForm)
       at WindowsFormsApplication1.Program.Main() in D:\Users\eng-mayer\Documents\Visual Studio 2010\Projects\WindowsFormsApplication1\WindowsFormsApplication1\Program.cs:line 18
       at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()
  InnerException: 

-http

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希望这有帮助

是否需要提升来更改注册表？这正是{试图执行未经授权的操作。}