Hi, I'm a novice at VBA.

This is VBA code I'm using to change the formating in 2 cells based on the value in another cell. This code works fine when worksheet is not protected but the text formating and locking don't work when wkst is protected. Not sure what I've done wrong. Any help appreciated.

Private Sub Steam_Option_Change()
'Trigger for locking second press and temp input cells
Application.ScreenUpdating = False
If Range("BC409").Value = True Then
Range("AP33").Select
ActiveCell.FormulaR1C1 = "'-- n/a --"
Selection.Font.Bold = True
Selection.Font.ColorIndex = 16
Selection.Locked = True
Selection.FormulaHidden = False
Range("AP34").Select
ActiveCell.FormulaR1C1 = "'-- n/a --"
Selection.Font.Bold = True
Selection.Font.ColorIndex = 16
Selection.Locked = True
Selection.FormulaHidden = False
ElseIf Range("BC409").Value = False Then
Range("AP33").Select
Selection.ClearContents
Selection.Font.Bold = False
Selection.Font.ColorIndex = 0
Selection.Locked = False
Selection.FormulaHidden = False
Range("AP34").Select
Selection.ClearContents
Selection.Font.Bold = False
Selection.Font.ColorIndex = 0
Selection.Locked = False
Selection.FormulaHidden = False
End If
End Sub