Spoke to a mate (Diploma in computer science) and he doesnt understand why they wont work, codec related vut it has him puzzled. He said to try this and it will tell you what the codec is apperently?? Another hurdle

https://www.snapfiles.com/get/avicodec.html

cheers bullet

not much more I can do mate, dont know enough about it. He said VLC should work too???