Sub Example()
Dim bProtected As Boolean
    If Not ActiveDocument.ProtectionType = wdNoProtection Then
        bProtected = True
        ActiveDocument.Unprotect Password:=""
    End If
    If ActiveDocument.FormFields("CheckBox211").CheckBox.Value = True Then
        ActiveDocument.Tables(2).Rows(2).Range.Font.Hidden = False
    Else
        ActiveDocument.Tables(2).Rows(2).Range.Font.Hidden = True
    End If
    If bProtected = True Then
        ActiveDocument.Protect _
                Type:=wdAllowOnlyFormFields, _
                NoReset:=True, _
                Password:=""
    End If
lbl_Exit:
    Exit Sub
End Sub