Here’s how to fix the one of the most common errors during windows xp boot-up. This guide needs non-slipstreamed windows xp installer cd to boot from.

1. Set CD-DVD drive as the first boot device in your BIOS.

2. Insert windows xp installer cd and boot from it and press any key when prompted.

3. When initialization is complete (that is after windows starting message), press R to repair.

4. Select the windows installation you wan to repair from the list, normally it’s number 1 then hit enter key.

5. When presented with the c:\ prompt, do the following commands.

c:\> ren c:\windows\system32\config\system system.old
c:\> copy c:\windows\repair\system c:\windows\system32\config
c:\> fixboot

6. Remove CD and restart your computer.

That’s all about it, good luck.