Unable to configure application

Hi,

I've installed RDM 5.5.04 on my XP sp2 desktop running .Net 2 and 3. The install appeared to be successful and the RDM appears to start without issues but, when I try to open the option window or add a new connection I get the following error details.

ERROR[7/14/2009 9:34 AM] System.TypeInitializationException: The type initializer for 'Devolutions.RemoteDesktopManager.Managers.ConnectionTypeManager' threw an exception. ---> System.Security.SecurityException: Requested registry access is not allowed.
at System.ThrowHelper.ThrowSecurityException(ExceptionResource resource)
at Microsoft.Win32.RegistryKey.OpenSubKey(String name, Boolean writable)
at Microsoft.Win32.RegistryKey.OpenSubKey(String name)
at Devolutions.RemoteDesktopManager.Business.BusinessHelper.GetRegistryInstallPath(String aAppName, Boolean aCheckDisplayName, Boolean aCheckPublisher)
at Devolutions.RemoteDesktopManager.Managers.RemoteDesktopConnectionTypeDescriptor..ctor()
at Devolutions.RemoteDesktopManager.Managers.ConnectionTypeManager..cctor()
The Zone of the assembly that failed was:
MyComputer
--- End of inner exception stack trace ---
at Devolutions.RemoteDesktopManager.Managers.ConnectionTypeManager.get_Items()
at Devolutions.RemoteDesktopManager.Managers.InstallationPathManager.Find(String aName)
at Devolutions.RemoteDesktopManager.Managers.InstallationPathManager.GetPath(String aName, Boolean aFullPath)
at Devolutions.RemoteDesktopManager.Business.Connectors.RemoteDesktopConnector.get_RemoteDesktopFileName()
at Devolutions.RemoteDesktopManager.Forms.FrmMain.mnuOpenRemoteDesktop_Click(Object sender, EventArgs e)
at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ToolStrip.WndProc(Message& m)
at System.Windows.Forms.ToolStripDropDown.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.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)