Gk bisa (invalid procedure call)....
utk VB.6 , coba pake codes dibawah ini...
Option Explicit
Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" _
(ByVal hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, _
ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
Private Const SW_SHOWNORMAL = 1
Private Sub Command1_Click()
ShellExecute Me.hwnd, vbNullString, "services.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command10_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\ntmsmgr.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command11_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\ntmsoprq.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command12_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\perfmon.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command13_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\certmgr.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command14_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\secpol.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command2_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\devmgmt.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command3_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\compmgmt.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command4_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\dfrg.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command5_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\diskmgmt.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command6_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\eventvwr.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command7_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\fsmgmt.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command8_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\gpedit.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
Private Sub Command9_Click()
ShellExecute Me.hwnd, "OPEN", "c:\windows\system32\lusrmgr.msc", vbNullString, "C:\", SW_SHOWNORMAL
End Sub
[spoiler=penampakan:]

[/spoiler]
utk VB.NET , coba pake codes ini...
misal, utk memanggil Disk Defragmenter...
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
System.Diagnostics.Process.Start("dfrg.msc")
End Sub