Clear the Past Items list in the Windows Vista Taskbar
7:12 AM | Author: Harpreet Singh Khandiyal
The Notification Area holds a past items list for Applications that once appeared on the notification area.As you can see in the screenshot below the past items are full of apps and programs which were runned quite some time ago. For instance the activation item which I ran the same day Vista was installed.

These items can be cleared by editing the following registry keyCode:
[HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify]IconStreams and PastIconsStream

To clear the past items do the following:
  1. Browse to the registry keyHKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify
  2. Then rename the key's IconStreams and PastIconsStream to IconStreams_2 and PastIconsStream_2
  3. Create 2 new Binary key's called IconStreams and PastIconsStream and give them the default value.
  4. Now delete the first 2 key's IconStreams_2 and PastIconsStream_2 (the ones you renamed)
  5. All you have to now is reload the registry by logging off and on or restart Windows Vista.After this the list should be blank and cleared.
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