Having a terrible time trying to install Zorin OS

Here's my issue. Everytime I try installing Zorin OS I get the following:
Errno 5
input/output error

Could someone please help me out. I've tried everything I could and retrying seems to have knackered up my hard drive and I have no computer anymore.

I can try Zorin OS from the USB I flashed it to. But everytime I try installing it fails.

A couple times it did end up saying "installation complete" but when I tried booting it showed a black screen with a blinking cursor in the top left.

Help would be appreciated! I am very tired.

PS: I am going to sleep in a bit so I may not reply until I wake up.

I/O error indicates bad media: Err no 5 input / output error
Please see # 1 & #2 here: USB boot install

He is correct. I simply re-downloaded a new copy of the Zorin Pro installer with my laptop plugged into ethernet, using Mozilla Firefox browser, and Zorin 16 pro installed correctly thereafter. I selected ZFS (experimental) file system during installation because it still gave me errors when I tried to install Zorin 16 Pro OS with encryption.

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