www.makemkv.com

Oh I get it now.
For a programmer, sometimes I can be quite dumb.

I guess I just had an old beta key.
New beta key works perfectly!

Thanks!

I feel dumb.
I thought this software was free forever, just limited after a certain period of time.
But on the purchase page it says:
You can use shareware functionality for free during 30-days trial period. If you like MakeMKV and you want to use it after your 30-days trial version expires, you ...

I uninstalled a very old version of makemkv, and installed the latest one.

Now when I run it I get this error.

Failed to validate activation key. Are you really trying to hack this application?

click ok.

then this error.

This application version is too old. Please download the latest version at ...