All the Content Advisor settings are stored in the key below. If you no
longer have the password, then simply delete the key, and all the settings
will be removed.
User Key:
[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Rating
s]
System Key:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ratin
gs]
Start>Run>regedit
Find the key/s shown above. Single click on the key to highlight it, press
the DELETE key, or alternatively select Delete from the Edit menu.
Close Internet Explorer, re-open it, and the Content Advisor feature should
now be disabled.
To check to see if it has been disabled:-
Click on Tools, Internet Options.
Click on the Content tab and click on Disable.
When asked for a password, don't enter anything; just click on OK.
This will disable Content Advisor because there's no longer a password.