First, let me thank you verry much... we're getting closer
))
I bet you are right with that codec thing.
I googled and found that codec, installed it and was able to open some files.
So i did some more searches and stumbled into K-Lite Codec pack and some
other codecs that i tried/installed.
I was able to open my .mts files... Just.. they are flipped upside down.
The only type i still can't import yet are my Screencapture-Files.
(sample.mp4) Maybe because i did not used the x264 but NVidia NVENC to compress.
Thanks to a good Backup/Restore System i am able to "clean up" these codec tests and
start testing from 0