Vista Network Icon will not display - how to fix this problem

In order to restore the Network Icon, you must clear the tray icon history.
To do this, follow these steps:
run 'regedit.exe'
go to key 'HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify'
delete keys 'IconStreams' & 'PastIconsStream'
start task manager, go to processes and kill explorer.exe
go to applications in the task manager, hit new task and type 'explorer.exe'
explorer will restart and your network icon should return.