Lock IE home page Internet Explorer

1. Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer

2. Under this key create new key "Control Panel". Now in right-side pane, create a new DWORD value HomePage and set its value to 1. It'll disable all 3 buttons "Use current", "Use default" and "Use blank" in Internet Options.