It sounds like The icons are highlighted, because somehow they are locked on your desktop
give the following procedure a go :
1)Right-click on your Desktop
2) Select 'Properties'
3) Click 'Desktop' tab
4) Click 'Customize Desktop'
4) Click 'Web' tab
5) Uncheck box for 'Lock desktop items'
6) Click 'OK'
7)Click 'OK' again
Bon courage.