To better assist you, could you please provide the following details:
The specifications of your computer (CPU, RAM, etc.).
The version of Linux you're using and whether it's a standard distribution or a custom build.
Did you encounter any error messages before the freeze?
Have you experienced similar freezes with other live USBs or only this one?
Are you using any additional software or drivers that might affect performance?
Have you tried running the live USB on another computer to see if the issue persists?
Understanding these details will help us diagnose and troubleshoot the freezing issue more effectively.