i dont know if its a bug but if i make integration for home to ultimate (4 images) wintoolkit cant add some files for home and home premium -99% of integration is ok -but on second try run he try to integrate again ALL updates not only the failed now the suggestion -count the successful (or make it switchable in options) so u can try to integrate only the failed again this reduced the build time a huge my last build time 16h ALL ON RAMDISK !!!!! i7 4GH 32GB Ram no hdd usage i hope u can understand