pls provide more information, so it will be easier to troubleshoot your problem. are u using batch, runonceEX.cmd, wpi, did u use nlite. i took a peek are you rar file. where did u put your Regtweaks? is it in $oem$\$1\Install\ directory? it seems like u are using a combination of batch and runonceEX method. http://unattended.msfn.org/xp/runonceex.htm