Cannot access Windows Partition after Disk Utility (Mavericks)

Today my Windows partition worked. So I thought, might as well fix the permissions of the drive and also repair the drive for any bootloader problems. Resulted in an error saying "Live file system repair is not supported".
Mavericks still works boots fine. Windows on the other hand, does not appear when holding down the Alt/Option key at boot.
Please, I don't need an official documentation that teaches me how to install Boot Camp correctly, I just need an experienced answer to explain what is going on, don't post just to get points please.

I have this exact same problem. In my case, I had a Boot Camp partition set up and fully working, with Windows 8.1. Then, using Parallels 8, I set up a new VM to use that Boot Camp partition (following some instructions from Parallels that I found online).
After that, Windows felt that disk repairs were needed, but it never successfully repaired them. So I went to disk utility, selected the whole hard drive (not just a partition), and did repair.
This led to the error from Disk Utility: "Error: Live file system repair is not supported." And after that, when I reboot with the Option key held down, the Windows partition no longer is even shown. I hope like h*ll it isn't gone, because I had spent some time getting things setup on it.
Someone, please help.

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