Thank you very much for the very fast answer, I will investigate and report the results as soon as possible (in case it could help others). I just did a test DVD with the content of my SOURCE directory (because I have a winnt.sif and I manualy integrated two SATA drivers by modifying TXTSETUP.SIF and DOSNET.INF + makecab of drivers files into I386, so I wanted to check that), evrything's fine. I will try first to integrate some normal Windows updates with HFSLIP, if it's OK, I'll integrate more pieces... It's not my first try at HFSLIP (I used it for 10 or 12 installations, for me, friends and familly) but it's the first time I had such strange results (before that, my only real problems were with winnt.sif badly configured or wrong driver integration). By the way, many files were missing after the HFSLIP-with-IE6-only installation, not only mofcomp.exe and framedyn.dll, but also calc.exe and many, many more. Most of the shortcuts in the Start menu were missing too. With my SOURCE based installation (same winnt.sif), everything is perfectly OK. I'd prefer to have updates+WMP11+DX9+IE8 integrated to minimize updates history that grows more and more and slow down Windows startup when it tries to check for new updates (6 month ago, I had a five year old XP Pro PC at work with all and every updates after the original version of Windows XP, it started slowwwww whatever I tried to fix it just because of that, almost locked for a full minute AFTER login, I diagnosed that with the help of SysInternals' ProcessMonitorit was processing \Windows\$*$ directories and DataStore for a full minute on each startup, DataStore.edb grown up to 54MB, even when forced to rebuild from scratch).