www.makemkv.com

I'm having exactly the same problem - and have posted in a different thread (you can find it pretty easily). Someone has suggested there that it might relate to certain Windows updates. I've installed it on three Windows 7 machines - all with the same problem. They all, also, run Bit Defender. Follo...

I am using Bit Defender. It's Windows 7 Home Premium. I saw that some people are having problems with Bit Defender. I've added:- makemkv.exe makemkvcon64.exe makemkvcon.exe to the Bit Defender Firewall exclusion list - makes no difference. Next step is to check what updates have been applied by MS. ...

Getting v. frustrated - now installed on a THIRD MACHINE- it's exactly the same problem. What do I need to do...?

I am experiencing exactly the same problem. 1.9.4 worked perfectly. An upgrade install to 1.9.5 crashes on start up (i.e. irrespective of presence of DVD or not). This is with Windows 7 64 bit. I installed on a completely different machine (though also Win 7 / 64 - which was a clean MakeMKV install ...