In my case 7loader works (i don't have flashed my x50sl for now), and when he said to me "windows now reboot" ,after the screen logo asus i get the same "error" in red, anyway i restored the mbr for start again windows 7...now i flash the bios so i tell you if works for me...
sorry for my bad english, i'm italian.
well, actually still not works on my computer (the same asus x50sl) i have flashed bios and now i have hp 2.1 slic...tried every type of activator...manually or automatic...nothing happened (also uninstalled every time cracks before run a different activator, and also i run this programs with administrator privileges)...anyone can help me? thanks