Solution to your PC needs to be repaired Error code: 0xc0000225

Step 1: Start from your installation or recovery CD.

To do this you will probably need to press a key before you boot, this will most likely be something like F12. for more information about booting from cd look here. (link: http://windows.microsoft.com/en-us/windows-vista/start-windows-from-a-cd-or-dvd )

Step 2: Choose the correct recovery options. (gallery)

Click on “Advanced Options”

Click on “Troubleshoot”

Click on “Repair your computer”

Click on “Command Prompt”

Step 3: Enter the correct commands.

1. Diskpart
2. List volume
3. Select volume=2 (replace “2″ with the number that is associated with the “ESP” label)
4. assign letter=Z
5. exit
6. bcdboot C:\windows /s Z: /f UEFI (replace C: with the volume letter that is named “OS”)

To make it even simpler here are some screenshots:

Step 4: Restart your computer and be happy.

If everything worked out fine, you should now be able to restart your computer and enjoy your windows 8 machine.