www.makemkv.com

Many thanks for your help Tapioka. I had searched through the forum but hadn't found the thread that you referred to. Yes, it was BitDefender and the advice in that thread worked a treat

Since installing v1.9.5 when I attempt to start Make MKV it initially fires up but displays the 'wheel of death' cursor and then after half a minute says it says unresponsive in the title bar and finally displays a dialog box saying: "Fatal error occured, program will now exit". The previo...