Private Sub Worksheet_Change(ByVal Target As Range)
Dim Rep As VbMsgBoxResult
If (Target.Column = 8 Or Target.Column = 4) And Target.Count = 1 Then
If Target = "" Then Exit Sub
If Val(Cells(Target.Row, "D")) > 150 And LCase(Cells(Target.Row, "H")) = "géotime" Then Rep = MsgBox("la valeur Config est supérieure à l'Offre, voulez-vous confirmer ?", vbYesNo)
If Rep = vbNo Then Cells(Target.Row, "H") = ""
End If
End Sub