I love this site and learned a lot of tricks to slipstream WinXP. However, I found that for non-service pack update, the update files won't be embedded directly into windows source cab files. They just copy itself and run at later stage (~87%?) of installation. Is it possible to extract those update files and add directly into the source cab? It can save the installation time and valuable disc space. I am sorry if this problem has been thoroughly discussed before Title edited -- Please, use [TAGS] in your topic's title. --Sonic