www.makemkv.com

I submitted it to Avast. They sent me a message clearing the installer, but Avast is still checking on the primary EXE for the app itself. Windows Defender is also still blocking the installer initially, and the message says it's because there's no publisher marked on the install EXE. Should be a si...

SSIA. Windows Defender chimes in when I run the installer. Avast doesn't seem to like any EXE associated with the program, whether that means the installer, the program itself or even the uninstaller.

Uninstalled until you can clarify what's going on and fix the behavior.