If use this function, your search history under search box will be saved even after exiting the current IE window or restarting/shutting down your computer.
To setup this feature, follow these steps:
Go to the Crawler Toolbar Settings.
Select the "Services Settings" tab.
Click on the "Settings..." button in the Search section.
Select the "Keep search history under search box" checkbox.
Click on the "Apply" button to make the change take effect.
Click on the "OK" button to exit Crawler Toolbar settings.