How do i open control panel windows using VB6 ?

You can use the shell command to open the Control Panel. You can also run individual Control Panel dialogs. Many of these are cpls in the C:\Windows\system32 directory Examples of cpl programs: appwiz.cpl     Add/Remove Programs Applet hdwwiz.cpl     Hardware Wizard Applet main.cpl     Mouse and Keyboard Applet modem.cpl     Modem and Phone Applet ncpa.cpl     Network and connectivity Applet Examples using VB6: ' Open Control Panel Private Sub ControlPanelButton_Click()     Dim Command As String     Command = "rundll32.exe shell32.dll,Control_RunDLL"     result = Shell(Command, vbNormalFocus) End Sub ' Open Add Printer Dialog Private Sub AddPrinterButton_Click()     Dim Command As String     Command = "rundll32.exe shell32.dll,SHHelpShortcuts_RunDLL  AddPrinter"     result = Shell(Command, vbNormalFocus) End Sub ' Open Keyboard Dialog Private Sub KeyboardButton_Click()     Dim Command As String     Command = "rundll32.exe shell32.dll,Control_RunDLL  main.cpl @1,,2"     result = Shell(Command, vbNormalFocus) End Sub References: VBnet Visual Basic Developers Resource Centre http://www.mvps.org/vbnet/welcome.htm Adding Control Panel Functions to a VB Application http://www.mvps.org/vbnet/index.html?code/system/controlpnl.htm The Win32 Rundll and Rundll32 Interface http://www.mvps.org/vbnet/index.html?code/system/rundll32.htm Hide Control Panel Applets http://www.winguides.com/registry/display.php/909/

If you just want to open the control panel... try this.. Shell("control") Infinite Recursion