Recover from a corrupted registry that prevents Windows XP from starting
When you try to start or restart your Windows XP-based computer, you may receive one of the following error messages:
Windows XP could not start because the following file is missing or corrupt: WINDOWSSYSTEM32CONFIGSYSTEM
Windows XP could not start because the following file is missing or corrupt: WINDOWSSYSTEM32CONFIGSOFTWARE
Stop: c0000218 {Registry File Failure} The registry cannot load the hive (file): SystemRootSystem32ConfigSOFTWARE or its log or alternate
System error: Lsass.exe
What your need is UBCD4WIN you can get that program here
https://www.ubcd4win.com/downloads.htm
Your also need files from System Volume Information folder, if you don’t have any files in System Volume Information folder, you can use files from the repair folder.
The link for the UBCD4WIN is dead, is there anywhere else to get it?
https://www.ubcd4win.org/
its a bit old hat now, there is better options available top you for Live CD, WinPE