What i have done: 1 Recovery-CD of Windows XP Home SP2 german 2 Rebuild it to a normal and working Install-CD 3 used last (1.4.8) nLite to integrate SP3 on Vista SP1 (and made some changes) now the finished CD wont accept the key. The key works with the rebuilded CD (2). Will now try to do (3) on a WinXP. [update:] Integration on WinXP works. [private opinion]Vista still s**[/private opinion]