Please paste these lines in VBA macro.
'To protect the cells
Worksheets(DestWS).Range("A9:F75").Locked = True ' To lock
Worksheets(DestWS).Range("G9:t75").Locked = False ' To edit and unlock
ActiveSheet.Protect
'To protect the cells
Worksheets(DestWS).Range("A9:F75").Locked = True ' To lock
Worksheets(DestWS).Range("G9:t75").Locked = False ' To edit and unlock
ActiveSheet.Protect