Windows 8 boot problem

Solution
D
Try this

Windows Vista or Windows 7 installation CD/DVD (and also Windows 8, I tried this personally)

Boot from Windows Vista installation disc, select language and keyboard or input method, click Next and choose to Repair your computer. Then you will need to select the operating system that you want to repair. In the System Recovery Options dialog box click Command Prompt and type the following:

Bootrec.exe /FixMbr
Bootrec.exe /FixBoot

If you want to completely rebuild Windows Vista Boot Configuration Data, then you should issue the following command:

Bootrec.exe /RebuildBcd

This command scans all disks for installations that are compatible with Windows Vista. Additionally, this option also allows select the installations that...
Try this

Windows Vista or Windows 7 installation CD/DVD (and also Windows 8, I tried this personally)

Boot from Windows Vista installation disc, select language and keyboard or input method, click Next and choose to Repair your computer. Then you will need to select the operating system that you want to repair. In the System Recovery Options dialog box click Command Prompt and type the following:

Bootrec.exe /FixMbr
Bootrec.exe /FixBoot

If you want to completely rebuild Windows Vista Boot Configuration Data, then you should issue the following command:

Bootrec.exe /RebuildBcd

This command scans all disks for installations that are compatible with Windows Vista. Additionally, this option also allows select the installations that you want to add to the Boot Configuration Data store.
 
Solution
I have tryed both of them but it again displays
The Boot configuration data file is missing some required information.


File:\Boot\BCD
Error code: 0xc000000d


And when I run the command
Bootrec /RebuildBcd
It gives an option to add select the
Installation to add to
the Boot Configuration Data store
When I select it states
«The process cannot access the file because it is being used by other process.»

Then what I should do?????
 
This was a life-saver I just bought a new Acer Ultrabook with Windows 8 and in less than a week would not boot. as the BCD file was corrupt. Thank goodness was able to access Command Prompt Alt F10 Advanced options and rebuild BCD. Thanks again!