hi. I have a Macbook Pro with Yosemite and just recently when I watch short youtube videos it will stop after a few minutes and the video screen will go black and the red bar disappears and so I have to reload the page. I have Kaspersky and it can't detect any intruder. Today I used disk utility to verify ad repair the hard disc but the problem persists. It seems like long videos are less likely for this to happen to.
Any ideas?
Any ideas?