How to Repair Windows from Within Ubuntu
I am new at ubuntu but i really like it. One of the reasons for it is that you can see all windows system files, viruses, secret files etc… So, this gives you the opportunity to save your windows system when it has a trouble, of course, if you are using both operating systems on one computer.
If Windows is refusing to boot, for whatever reason, you can try repairing the file system from within Ubuntu. Use Synaptic to search for the ntfsprogs package. Once it’s installed, unmount your Windows partition (if it’s mounted), and type sudo ntfsfix /dev/sda1 to check and fix the partition (assuming your Windows partition is /dev/sda1—likely if you installed Ubuntu in a dual-boot configuration on a computer already running Windows).
This tip is also useful if you see the “Cannot mount volume” error when attempting to access your Windows partition from within Ubuntu.