Hi submix8c I followed these tutorials http://www.sevenforums.com/installation-setup/282232-test-update-7-installation-media.html http://www.sevenforums.com/tutorials/145343-slipstream-windows-7-sp1-into-installation-dvd-iso-file.html using the batch file provide on the tutorial (UPDATE7v5) to integrate the update downloaded using WindowsUpdateDownloader use rt7-Lite to feature removal (language pack, sample music,video,pictures,games) tweak customization (delete the gadget, sample music) and then create the bootable iso Perhaps like you said rt7-Lite is buggy or maybe the batch file (UPDATE7v5), did not do the integration of the updates correctly. Any suggestion regarding the software to use suggested by the following link ? http://www.intowindows.com/5-free-tools-to-customize-tweak-windows-7-installation-setup/