One button does them all:
For Internet explorer, right-click on the taskbar, choose properties, click the Start Menu Programs tab and click the Clear button.
This deletes the following keys:
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TypedURLs
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RunMRU
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Doc Find Spec MRU
To clear history and temporary internet files, right-click on the Internet Explorer icon on the desktop, choose properties and click the Delete Files and Clear History buttons.
To clear the autocomplete history, click the Content tab, click the AutoComplete button and click the Clear Forms and Clear passwords buttons.
reghakr