http://www.winhelponline.com/blog/error-invalid-update-control-ctf-file-when-updating-avg-anti-virus-80/ -- Vincenzo Di Russo Microsoft® MVP - Most Valuable Professional since 2003 Windows Internet Explorer, Windows Desktop Experience & Security My MVP Profile: https://mvp.support.microsoft.com/profile/Vincenzo My Blog: http://blogs.dotnethell.it/vincent/