If your XP ISO was clean, these files are present in the I386 folder. Copy them to the root of Z: (USB root) from the mounted ISO:
To create a bootable USB, you first need the Windows XP installation files or a Service Pack 3 (SP3) update package. Service Pack 3 (Update Package): If your XP ISO was clean, these files
Explain how to if your hard drive isn't being detected If your XP ISO was clean
Microsoft once published KB article (now removed). You can view archived versions via the Wayback Machine – search for support.microsoft.com/en-us/kb/978874 . If your XP ISO was clean, these files
Before you can build a bootable USB, you need two categories of files: the (your ISO) and the Tools (Microsoft’s legacy deployment utilities).