Silverblue installer 39 fails always on 100% tested on 4 difrent USB drives and always getting same issue
Did you use the Fedora Media Write? This is likely Media Writer produces USB stick with FAIL media check · Issue #669 · FedoraQt/MediaWriter · GitHub
yes fedora media writer and downloaded live to usb usually that been working
From Media Writer produces USB stick with FAIL media check · Issue #669 · FedoraQt/MediaWriter · GitHub
A workaround I used is to download an ISO file manually and use Rufus to create a bootable USB stick.