I`ve noticed recently that Yahoo or Google or Wanadoo toolbars download themselves with various other programs. There is usually a default box which is ticked and unticking it during the installation prevents the toolbar installing.
For example, yesterday I installed a Wanadoo Broadband modem. My homepage was changed to wanadoo and there was a wanadoo searchbar! Microsoft Defender was totally impotent! Removed from add/remove programs as mentioned above.
Ccleaner, which is a great program, now has a ticked by default box for Yahoo toolbar. A bit sneaky.
You`re probably right - I hadn`t thought of that! I can forgive Ccleaner because as Chris Webster says I always untick the Yahoo box. Wanadoo on the other hand didn`t seem to give me any option to deselect either their toolbar or the change to my homepage. Now that`s naughty!