Windows XP Service Pack 3 which is been shipped with the Internet Explorer 6 and also includes a roll-up of several security updates in it. If you are having IE6 on your computer, then you can safely install the Service Pack 3 and end up with an updated version of IE6 and with your entire favorites together in it. If you have Internet Explorer 7 at present installed, then all your favorite and settings will be preserved. Moreover the capability for uninstalling the IE7 will also be taken away from you. Since uninstall which desires a rollback for a previous version that has in it because of been updated with the SP3, this option will now no longer be obtainable in the computer. If you have uninstalled the IE7 at this point of time, then you would have to first uninstall the service pack 3, and then proceed further to uninstall the IE7. For getting out of this problem, uninstall IE7 first, then start installing the Service Pack 3, and finally reinstall the Internet Explorer 7 in your computer. If you are running IE 8 Beta, you must uninstall all it first, then install the Service Pack 3. After the service pack is been effectively install, you can also upgrade to the recent beta version of IE8.