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I am dual booting Ubuntu 13.10 and Windows 7. Somehow, a file system on windows is corrupt. I can still see windows files from Ubuntu as its working properly. I tried using windows recovery discs and booting from different windows installers as well but when ever the boot is about to start, Ubuntu is loaded.

Whenever I try opening the

windows 7 (loader)

on grub thing, i get the message

BOOTMGR is corrupt. cannot boot

.. what can I do?

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You need to repair your windows bootloader.Follow the steps given in this –  Avinash Raj Feb 11 at 16:07

1 Answer 1

You need to rebuild your Boot configuration data(BCD).

Pay Attention! if you do this grub will be deleted and you can not reach ubuntu anymore.

When you decide what you wanna do;

Boot your pc with Windows Install disc or usb

Hit the 'Repair Computer'

System Recovery Window will appear

Select your os then click next

Select Command prompt then type the codes below

BootRec.exe /fixmbr
chkdsk /r
BootRec.exe /FixBoot
BootRec.exe /ScanOs
BootRec.exe /RebuildBcd
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