Can someone help me? The problem's, I've been overclocking my system and sometimes if I go too far Windows don't wanna boot "C\Windows\Config...\.. not found of ..." and it ask me to "Repair", I put the CD of Win XP in and ask to "Repair", it go to a black screen and ask me the "Administrator Password", I type the pass and give me a answer: "this is not the right pass" of something like that, I can try 3 times than have I to reboot the PC, and of course I can't repair the wrong C:\Windows file! Some suggestions?

You answered your own question...you overclocked TOO far. Just clear the BIOS & restore your clock settings to some point that you know it was stable at, reboot & you should be able to get into Windows again. You've been posting for days about this...you're not gonna get any higher if you stick with PC2700 RAM...be content with your overclocked settings & just enjoy your system before you damage something... And in case you missed it in your last post, read this about memory timing: http://www6.tomshardware.com/howto/20030701/memory_tuning-05.html

Resetting BIOS only won't solve your XP problem this time as your boot file is corrupted. After you set everything back to default, change CD as 1st boot. Boot from XP CD and choose repair from there. From here, it won't ask for your adm password. After XP repaired and reloaded, you have to get all the updates including SP1.

Jam you're right about my system but I'm not oc'ing my system anymore but only for info. Jam and Real_cool Thx for yours answers and have a nice new year 2004!