After using Internet Options / General Tab / Clear History / Yes / OK, you still have cached addresses listed in the Address box:
1. Exit Internet Explorer.
2. Use Regedt32 to navigate to:
3. In the right hand pane, delete all Value Names that begin with URL (URL1, URL2, URL3, etc.)
NOTE: If you don't delete all entries, the remaining entries must be in consecutive numerical order,
starting with URL1. If they are not,