A "codec" is a small piece of software that compresses video files for storage and decompresses them for playback. If you're trying to play a downloaded video file and your media player lacks the correct codec, the video will appear as garbled video, or you'll hear audio with no picture.
Over time, your browser saves bits of data from websites (cache) and information about your visits (cookies). This data is usually helpful, but too much can become corrupted, leading to conflicts that prevent videos from loading properly. A common symptom is a video that starts to load but then stops or gets stuck on a black screen. mofos vanessa marie new year house party 3 fix