"Set MAPISession" getting error

I'm getting a error when trying to send out e-mail.  The error occurs on line below:
  Set MAPISession = CreateObject("MAPI.Session")
See code below for entire subroutine

Error Number: 429
Description: ActiveX component can't create object

This computer got screwed up with a faulty installation disk that remove a bunch of stuff.  I think my mapi stuff got removed.  How do I fix it?
Private Sub StartMessagingAndLogon()
    Dim sKeyName As String
    Dim sValueName As String
    Dim sDefaultUserProfile As String
    Dim osinfo As OSVERSIONINFO
    Dim retvalue As Integer
    On Error GoTo ErrorHandler
    Set MAPISession = CreateObject("MAPI.Session")
    'Try to log on.  If this fails, the most likely reason is
    'that you do not have an open session.  The error
    '-2147221231  MAPI_E_LOGON_FAILED returns.  Trap
    'the error in the ErrorHandler.
    MAPISession.Logon ShowDialog:=False, NewSession:=False
    Exit Sub
    Select Case Err.Number
       Case -2147221231  'MAPI_E_LOGON_FAILED
          'Need to determine what operating system is in use. The keys are different
          'for WinNT and Win95.
          osinfo.dwOSVersionInfoSize = 148
          osinfo.szCSDVersion = Space$(128)
          retvalue = GetVersionEx(osinfo)
          Select Case osinfo.dwPlatformId
             Case 0   'Unidentified
                LogEvt "Unidentified Operating System.  Cannot log on to messaging.", vbCritical, "Email Problem (ASO-3)"
                Exit Sub
             Case 1   'Win95
                sKeyName = "Software\Microsoft\" & _
                           "Windows Messaging " & _
             Case 2   'NT
                 sKeyName = "Software\Microsoft\Windows NT\" & _
                            "CurrentVersion\" & _
                            "Windows Messaging Subsystem\Profiles"
          End Select
          sValueName = "DefaultProfile"
          sDefaultUserProfile = QueryValue(sKeyName, sValueName)
          MAPISession.Logon ProfileName:=sDefaultUserProfile, _
          Exit Sub
       Case Else
          LogEvt "An error has occured while trying" & Chr(10) & _
          "to create and to log on to a new ActiveMessage session." & _
          Chr(10) & "Report the following error to your " & _
          "System Administrator." & Chr(10) & Chr(10) & _
          "Error Location: frmMain.StartMessagingAndLogon" & _
          Chr(10) & "Error Number: " & Err.Number & Chr(10) & _
          "Description: " & Err.Description, vbCritical, "Email Problem (ASO-4)"
    End Select
End Sub

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Who is Participating?
Chuck WoodConnect With a Mentor Commented:
I think you need to declare the MAPISession as an Object before you Set it.
    Dim MAPISession As Object
    On Error GoTo ErrorHandler
    Set MAPISession = CreateObject("MAPI.Session")

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Chuck WoodCommented:
Where do you define OSVERSIONINFO?
schmir1Author Commented:
See below.  I can send you the entire module if that would help.
    dwOSVersionInfoSize As Long
    dwMajorVersion As Long
    dwMinorVersion As Long
    dwBuildNumber As Long
    dwPlatformId As Long
    szCSDVersion As String * 128
End Type

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schmir1Author Commented:
Anyone have any ideas?
schmir1Author Commented:
I guess I will close this question???
schmir1Author Commented:
Thanks.  I'm running my code on my PC that works so I don't need to do your suggestion right way.  I'll assume it works.
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