Clear Past Items from the Notification Area

Some programs put references in taskbar. Their references will stay in taskbar history even if you uninstall them.

When you open Taskbar  Properties to customize, there are two sections: Current Items and Past  Items.

How do you clear the Past Items?

 

Open regedit from start /run (Win + R)

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\TrayNotify

Delete the IconStreams and PastIconsStream values from the  registry key.

Then open Task Manager, click the Processes tab, click Explorer.exe, and then click End Process. In Task Manager, click File, click New Task, type explorer, and then click OK.

Taskbar history cleared.

Related articles for further reading:

• How to add a link to a web page to the taskbar in Windows 7
• Group, Pin Multiple Taskbar icons in Windows 7 with Bins
• How to add the Windows Live Hotmail icon in the taskbar of Windows 7
• Improve your Windows taskbar with free apps
• How to Change the Behavior of Taskbar Grouping