Problem install 15.3 installation

[StarTreker]

Invalid magic number

OK, in full transparency, I used to be a believer in the Belena Etcher. But historically, it managed to etch itself into stone as the worst ISO burner in history. I no longer use it, as its been known to destroy USB drives as well, which IMO, is the worst possible scenario! I really like the APP called Popsicle... [POPSICLE] This APP is wonderful. It is super light weight, its not fat with bloat. If comes with a HASH checker, which can be set to scan the 256checksum. And, its an ISO burner A…