I'm using Windows 8.1, 64 bit. I'm trying to export videos in mp4 format, but I need the mp4 codec to do so. Every time I try to activate the codec, it tells me that it has failed and I should try again with administrator rights.
OK, I did the admin access thing and now I can see and use control panel again, which is cool, but I still can't activate the mpeg-4 codec. I'm using 8.1 and Magix Movie Edit Pro 2014. I closed the program and started again, but it still doesn't work.