Double Calendar Display Problem?

Hi guys. I have moved my brothers Database from his old PC to his new one. They both run the same version of Access (2002). On his new machine the Double Calendar form opens but the date values are missing (see attached images). I have attached a screen dump of the Calendar plus the current references I have enabled. Also the calendar is using class MSCAL.Calendar.7

Form has the following events:

Private Sub Form_Load()
Me.atxCalControl1.Value = Now()
Me.atxCalControl2.Value = Now()
End Sub

Private Sub atxCalControl1_Click()
Me.txtClick1.Value = Me.atxCalControl1.Value
Me.Refresh
End Sub

Private Sub atxCalControl2_Click()
Me.txtClick2.Value = Me.atxCalControl2.Value
Me.Refresh
End Sub

Can anybody advise?
Regards,
Phil.