Error Updating?
 

An Error Updating dialog window appears whenever I click anything and upon startup. Not sure whats wrong. I have .Net installed. What is this shfolder.dll?

1.0.16 Unknown Thread Error: mscorlib
at Microsoft.Win32.Win32Native.SHGetFolderPath(IntPtr hwndOwner, Int32 nFolder, IntPtr hToken, Int32 dwFlags, StringBuilder lpszPath)
at System.Environment.GetFolderPath(SpecialFolder folder)
at Microsoft.VisualBasic.MyServices.SpecialDirectoriesProxy.get_ProgramFiles()
at EQ2MAPUpdater.GlobalVariables.GetEQ2Path()
at EQ2MAPUpdater.GlobalVariables.ReadConfigValues()
at EQ2MAPUpdater.MainWindow.FormMain_Load(Object sender, EventArgs e)
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ContainerControl.WndProc(Message& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.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)Unable to load DLL 'shfolder.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)

What OS are you using??