Enabling and disabling Windows Desktop cleanup
Microsoft Windows XP includes a new feature known as the Desktop cleanup that is intended to remove any icons from the desktop that have not been used for at least 60 days. Unfortunately, for users who commonly use their desktop, and like icons on their desktop can become annoyed with this feature.
To disable or enable this feature, right-click on the Desktop and select Properties. Within the Display properties window, click the Desktop tab and then the Customize Desktop button. Within the Desktop Items window, uncheck Run Desktop Cleanup Wizard ever 60 days to disable this feature, or check this box to enable the feature.