You could also load the Default User NTUSER.DAT file like I did below to the "HKEY_USERS\.Default_User" location or any location you choose and run your HKCU registry tweaks to that location along with the HKCU. My regtweaks.cmd file below makes a backup of the DAT file then loads the DAT and runs the regtweaks.reg file. Lastly you unload the DAT file. regtweaks.cmd %SYSTEMDRIVE%\Install\cmdow.exe @ /HID @echo off attrib -H "%SYSTEMDRIVE%\Documents and Settings\Default User\NTUSER.DAT" copy "%SYSTEMDRIVE%\Documents and Settings\Default User\NTUSER.DAT" "%SYSTEMDRIVE%\Documents and Settings\Default User\NTUSER.DAT.BAK" attrib +H "%SYSTEMDRIVE%\Documents and Settings\Default User\NTUSER.DAT" attrib +H "%SYSTEMDRIVE%\Documents and Settings\Default User\NTUSER.DAT.BAK" REG LOAD HKEY_USERS\.Default_User "%SYSTEMDRIVE%\Documents and Settings\Default User\NTUSER.DAT" REGEDIT /S %SYSTEMDRIVE%\Install\regtweaks.reg REG UNLOAD HKEY_USERS\.Default_User EXIT