Clear Taskbar Hidden Icon Record

Auto-hide inactive icons in Windows XP to resolve excessive taskbar space in the system tray area. It can take a long time. Right-click on the blank space of the taskbar and select "Properties". Click the "Customize" button in the "Taskbar" option. You will see a lot of history in the "Past Projects" column. How to delete these items. Yes: Open the registry and find "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\ Explorer\\TrayNotify", where "IconStreams" item stores "current project" and "PastIconsStream" item stores "past project", which will be "TrayNotify" "Delete the item, press Ctrl+Alt+Del to bring up the "Windows Task Manager", click the Process tab, select explorer.exe, and end the process. Then select "File" → "New Task" in "Windows Task Manager", enter explorer.exe in "Create New Task".