just to confirm: updating wuauclt1.ex_, wuaucpl.cp_, wuaueng.dl_, wuaueng1.dl_, wuauhelp.ch_, wucltui.dl_, wups.dl_, wups2.dl_, wuweb.dl_, cdm.dl_, iuengine.dl_, wuapi.dl_, wuau.ad_, wuauclt.ex_ on i386 over w2k3 sp1 works perfectly. no prompts after going to WUv6