ME TOO !! although with Office 2003. 800700643 refers to the "Office Source\nEngine" Changing the service setting to "automatic(delayed start)" and\nrestarting the service makes no difference Tried changing the BITS for error\n80246007 to automatic (delayed start), I still get these errors. Also tried\ndownloading the KBxxxxxx files to do a manual install, but this only gave the\ninstall engine a hernia.\n\nPerhaps Office 2003 is not fully compatibale with VISTA ???\nRead my post, search for "Bondo"