: : Internet Explorer Advanced Tab : :

Follow the link below where you will find 3 methods of restore registry entries that have gone missing. Specifically,

HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Internet Explorer \ AdvancedOptions

1. First method involves download the fix directly from the site and running it.
2. This method involves manually registering the missing key using the "Start", "Run" functions.
3. Re-installing Internet Explorer

http://windowsxp.mvps.org/IEBlank.htm