I'm facing these error when i'm trying to boot XP from USB
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XP doesn't run from USB.
post a picture of that screen plse, so we can see when it happens
Are you trying to run the XP installer from USB, or a full XP install from USB?

Windows in general, and XP in particular, is not designed to run from a USB drive. The main issue is that, as it's removable, Windows can't count on a USB drive always being there. So Windows installer doesn't allow installing to USB, and won't boot from a USB drive if a drive is made into a USB one after install.

This is an old article where someone was able to get Windows XP to install to a USB drive via heavily modifying the install files. It's a very much "proceed at your own risk" method though.

Enterprise editions of Windows have a feature called Windows To Go that will boot from specially certified "Windows To Go" drives. This is the only officially supported way to boot Windows from USB.

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also - what system are we talkibng about, and what OS?
looks like a unix/linux one
I've requested that this question be deleted for the following reason:

Not enough information to confirm an answer.
The answer is that you can't boot XP from USB, so my comment is correct.
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