Updating from Mojave to Catalina — stuck at Apple Logo (no progress bar)

Clover 5095, updated kexts via Clover Configurator. Ran Catalina installer, reboot, selected Install macOS from System and get an immediate freeze.

https://preview.redd.it/1g2tcguvllh61.jpg?width=1573&format=pjpg&auto=webp&s=d9b219b39a555fed4f80b7a07cc888280dbf99f9

What does this all mean?

Really appreciate any help.