Thank you everybody to answer all in order.
O' Tq, There are certainly programs populating the list that no longer on the C Drive. MS 2003 is there for sure although I did ensure I clicked the correct box to upgrade.
SD, you are undoubtedly correct in that they were not removed using the add/remove application. I always do but little Mostafa's (28, 30) certainly do whatever they want when I am foolish enough to leave my laptop at home.
BOAC, googling as we speak.