How To Fixed Corrupted or Missing \WINDOWS\SYSTEM32\CONFIG

Well this means one of important files needed to start Windows is corrupted (it's a registry file).
I'd recommend repairing Windows installation. If you have Windows XP and also the Original Windows CD follow: this guide.

hi You need to get a Windows XP from someone and follow these instructions: Windows could not start because the following files is missing or corrupt \WINDOWS\SYSTEM32\CONFIG\SYSTEM or \WINDOWS\SYSTEM32\CONFIG\SOFTWARE
1. Insert and boot from your Windows XP CD. 2. At the first R=Repair option, press the R key 3. Press the number that corresponds to the correct location for the installation of Windows you want to repair. Typically this will be #1 4. Enter in the administrator password when requested 5. cd \windows\system32\config 6. Depending on which section was corrupted: ren software software.bad or ren system system.bad 7. Depending on which section was corrupted copy \windows\repair\system copy \windows\repair\software 8. Take out the CD ROM and type exit

http://acer.custhelp.com/app/answers/detail/a_id/2631/session/L3RpbWUvMTM0MDgzMDQ1NC9zaWQvV2RDLVBLX2s%3D

One of following will work:

http://www.help2go.com/Tutorials/Windows/C:%5Cwindows%5Csystem32%5Cconfig%5Csystem_missing_or_corrupt.html

http://www.techsupportforum.com/microsoft-support/windows-xp-support/312090-windows-system32-config-system-missing-corrupt-files.html

http://en.kioskea.net/forum/affich-22815-windows-system32-config-system-is-corrupt

http://support.microsoft.com/kb/307545