www.makemkv.com

Thanks, logging in as Admin worked for me, too! I had the same problem with Makemkv plus two other tools that I had just installed. So maybe this is a new Bug in Tahoe 26.4.1? Upon logging out of my user account I saw a quick flash of a window that was asking for admin credentials - but it hadn't be...

I just tried to register MakeMKV for the first time in my life using the beta key - and it didn't work. I had 1.9.5 installed before and now switched to 1.9.6. First it said the version was too old and then it always says the beta key (currently copied from this forum) is expired. I am glad I found ...