Don't know where to begin

I'll try to keep it short.

I have a USB drive that I installed a persistent version of BT4 on using whole disk encryption a few years ago. (I followed the directions at infosecramblings.) I haven't used either that USB drive or BT in years. When I tried to boot from it today I got a GRUB error 17 which IIRC has something to do with partitions but it's been a long time since I used Linux.

Is there any way to recover my drive? I still recall my password. I don't care at this stage if I can get the drive to reboot again or just decrypt to get the data off it. I know that these forums are not the best place for Linux questions but my Google searching didn't turn up anything obvious, so even a pointer to another forum would be welcome.

yes, indeed, it is a partition problem.

One question: Do you get the menu screen? (The Operating System screen: BT4, Memory Test, etc)?

You have 2 solutions:
1. If you get to the menu, you can use the grub console by typing "e" at menu...You will get a prompt: >, now you are in the grub console...Now start to repair the grub.
2. Use a live cd and mount partition (USB) and then fix grub.

Please, post if you get to the menu screen...As I said you have 2 options...

Hope it helps

Thank you for your kind reply. No, I do not get to the menu screen.

As for a live CD, can it be for any version of Linux? I don't remember what version I was using back then.

yes, any distro...