Hello folks, I have just upgraded from Sony Vegas 10 to Sony Vegas Pro 18, but I immediately got stuck with inability to import .MTS files into SV 18 Pro. On version 10 it worked beautifully.

my MTS are the same format as they were, 1920x1080/25fps.

simply when I hold and drag into Vegas it won't allow me to copy and when I try this repeatedly the Vegas crashes (not responding). this is really annoying. Sony Vegas 10 worked with them without any problem.

please can you advise?