openmandriva can't boot the iso image from my flash drive

I have a USB installer made with Ventoy and OML Rock 6.0, just downloaded last week.
I’ve read about some issues mounting an NTFS partition here, we’ll see how that goes.
Just have a few more things to back up, and I figure I’ll do the install tomorrow.
I may make some package requests, like SPEK audio analyzer, Dune3D CAD, and maybe a few others if I cant find them in the repo.
Would the good people who are building packages prefer if I just learned to compile from source? I’m VERY rusty, but I figure I could do it, eventually.
Once I’ve gotten used to CLI again, I may try my hand at building packages.
I looked here:

…and I figure I could eventually do it, first just locally, then I’ll jump through the hoops to be able to add them to the repo, it’ll take time, though.