hi.I am new to windows 7 and i have a problem.I want to change the homepage in ie8. But i am not able to do that because when i go to Tools>Internet Options>General the three buttons "use blank","use default","use current" are inactive. At the bottom it says "some settings are managed by your system administrator". I have only one user account.i don't know how solve this problem. Somebody kindly help me. thanking you, narendra