Encrypting a daul boot machine with one harddrive

I have a laptop with linux and windows xp on it.  It has one harddrive, the harddrive is partitioned with about 20gb on linux and 130gb on windows xp.  When I use TrueCrypt to encrypt it, I select Encrypt the Windows system partition, then Multi-Boot, then Yes to the boot drive, then 1 for the system drives, and for the Non-Windows Boot Loader, I select Yes because I have grub for my boot loader.
It says to move the master boot record to another partition, then redo this process.  Grub is installed on the linux partition of the harddrive, so where else am I suppose to move it.  If I move it to the windows partition, then how will that solve this issue??
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cmb991Asked:
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noxchoGlobal Support CoordinatorCommented:
I think it is saying to move the MBR to another drive but not partition. MBR cannot be on partition. It is Master Boot Record of HDD. And if you encrypt this drive then you will not be able to load second OS from it in any case.
So you cannot encrypt dual boot system if you do not have TWO HDD configuration.
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cmb991Author Commented:
Well then is it possible to encrypt just the windows xp partition?
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noxchoGlobal Support CoordinatorCommented:
Ok, I downloaded and run TrueCrypt on my dual Win7 & XP machine. And got the window that is given to your by TC.
You are right, it is suggesting you to move the GRUB to partition. I don't know if Linux does allow this. Note, not MBR but GRUB from MBR to a partition.
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cmb991Author Commented:
Well can I just encrypt the windows xp session without having to move the MRB?
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noxchoGlobal Support CoordinatorCommented:
Well, as I just tested it you can encrypt XP session only. But your Linux will not boot since then.
Better if you move GRUB first to Linux partition. I remember that option available once I installed Ubuntu.
For my Win 7 and XP dual boot system it left me with Windows 7 only after encryption of Windows 7.
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cmb991Author Commented:
I'm assuming that grub is on /dev/sda2.  Thats my boot directory.  Fedora is installed on /dev/sda4. I'm not sure where grub is located though, which partition its on.  How could I find this out?
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noxchoGlobal Support CoordinatorCommented:
It is better if you open new question in Linux section. Ask for instructions on defining GRUB location. I am no much Linux tech.
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