Andre,
Your pointer changes to an hourglass when you hold it over the taskbar for a
few minutes after starting your Windows XP-based computer:
http://support.microsoft.com/?kbid=841571
The above KB addresses the following symptoms:
When starting a Microsoft Windows XP-based computer, you may notice any one
of the following symptoms: •The pointer changes to an hour glass when you
move it over the taskbar.
•Some icons do not appear in the notification area.
•When you click Start, nothing happens.
•The Start button does not work for several minutes, and then it starts to
work.
•When you restart the computer, the icons in the notification area are
missing. If you log off and log on with the same user account, the icons
appear.
•When you click any icon in the Quick Launch bar immediately after starting
the computer, the pointer changes to an hourglass.
See also:
How To: Fix Missing System Tray Icons at Windows XP startup:
http://www.tech-pro.net/howto_013.html
--
Ramesh, Microsoft MVP
Windows XP Shell/User
Windows XP Troubleshooting
http://www.winhelponline.com