A situation may arise that requires you to hide the system tray icons from the user. Keep reading to find out how to accomplish this.
This registry hack will hide all icons in the system tray.
1. Open up Notepad, and copy the following:
Windows Registry Editor Version 5.00
2. Save the text file, and rename it to “XP_HideTrayIcons.reg.”
3. Then merge it into the registry by double-clicking it.
4. Log off, or end the explorer.exe process and restart it.
The user’s tray icons will be hidden. To undo this, simply change the value to zero.