XP Home reinstallation not working/Windows not booting

I can't provide any caps of the screen.

The Windows XP installation CD is in the CD-Rom drive.
I press F12 to get to the menu.
Then I press ENTER on Onboard or USB CD-ROM Drive.
Then it tells me to: Press any kep to boot from CD.
I press any key.

Then the blue window for Windows Setup shows.

If I press the first option (To set up Windows XP now, press ENTER), this happens:

The Windows XP Liscensing Agreement appears and I press F8 to agree.

The a blue screen appears saying:

A problem has been detected and windows has been shut down to prevent damage to your computer.

REGISTRY_ERROR.

It says at the bottom:
Technical information:
*** STOP: 0x00000051 (0x00000003, 0x0000003, 0x00000000, 0xE1226000)


If I press the second option (To repair a Windows XP installation using REcovery Console, press R), this happens:

The first step comes up:
1: C:\WINDOWS
Which Windows installation would like to log onto
<To cancel, press ENTER>?

I press 1 and nothing happens.
If I press ENTER after typing in 1, the blue screen shows up saying I have a REGISTRY_ERROR.

It says at the bottom:
Technical information:
*** STOP: 0x00000051 (0x00000003, 0x0000003, 0x00000000, 0xE1226000)

All I can do at that point is turn off the computer and try again.



Whenever I reboot the computer and don't press anything, it goes staight to a black screen and it says:

Windows could not start because the following file is missing or corrupt:
\WINDOWS\SYSTEM32\CONFIG\SYSTEM

You can attempt to repair this file by starting Windows Setup using the original Setup CD-ROM.
Select 'r' at the first screen to start repair.



The same screen shows up if I try to reboot in Safe Mode or reboot in the last working configuration.





Please help, I'm so lost and have no ideas on how to fix this problem.
 
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