'Переменные я объявила скорее для последовательности, нежели чем для необходимости
'.....
Dim Cmd As String, ss2 As String, ss3 As String, ss4 As String, ssx As String
Dim sErr As String

'Обработка ошибок (чтобы не вываливались в Ran-time' е всякие непонятные сообщения)
On Error GoTo FileErr

i =  1 

    Set conn = New ADODB.Connection
    Set rst = New ADODB.Recordset

    conn.ConnectionString = "DRIVER={Microsoft dBase Driver (*.dbf)};DBQ=" & dr & ";DefaultDir=" & dr
    conn.Open

    For Each f In fol.Files
        'IMHO конечно, но интуитивно надо делать
        i =  1 
        
        ss3 = f.Name
        If UCase(Right(Trim(ss3),  4 )) = ".DBF" Then
            ss2 = Left(ss3, Len(ss3) -  4 )
        
            Cmd = "select * from [" & ss2 & "] where [" & ss2 & "].[STATUS]=0 and [" & ss2 & "].[INFILE_ID]<>''"
            Set rst = conn.Execute(Cmd)
            rst.MoveFirst
            
            If rst.EOF <> - 1  Then
                If i =  1  Then
                    ssx = f.Path
                    ss4 = ss2 & "_izm"
                    Cmd = "select * into [" & ss4 & "] from [" & ss2 & "]"
                    conn.Execute (Cmd)
                Else
                    Cmd = "insert into [" & ss4 & "] select * from [" & ss2 & "]"
                    conn.Execute (Cmd)
                End If
                
                i = i +  1 
            End If
'Думаю этой части не надо
'        Else
'            MsgBox (UCase(Right(ss3, 4)))
        End If
 1 :
    Next f

    conn.Close
    
    FileCopy ssx, Left(ssx, Len(ssx) - Len(ss4)) & "fin_0.dbf"

    conn.Open
    conn.Execute ("delete * from [fin_0]")
    conn.Execute ("insert into [fin_0] select * from [" & ss4 & "]")
    conn.Close
    
    Set conn = Nothing
    Kill (Left(ssx, Len(ssx) - Len(ss4)) & ss4 & ".dbf")
    
MsgBox ("vse!!!")
Exit Sub

FileErr:
    sErr = Err.Number & " " & Err.Source & " " & Err.Description
    Select Case Err.Number
        Case - 2147217900 
            Kill (Left(ssx, Len(ssx) - Len(ss4)) & ss4 & ".dbf")
        Case - 2147217904 
            GoTo  1 
    End Select
    MsgBox sErr, vbInformation
End Sub