I'm trying to play my first MKV. Initially I just added it to my Playing Now list and trying to play it. MC said it was opening the file, but sat there forever. I clicked the Stop button and now MC is frozen and unresponsive.
I have NOT installed any special filters yet, which is why MC can't play it, but I think that despite that MC shouldn't freeze.
...later...
After installing CCCP everything worked fine.
