prueba asi..(Es
Base1.mdb ó
ppestion.mdb), porque pones 2 nombres de BD distintas :
Código vb.net:
Ver originalDim path As String = (System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase.ToString()) & "\ppestion.mdb").Remove(0, 6)
conexion.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & path & ""