I have a very annoying problem with you tube videos. I m new in Apple computers. I bought last week my new MBP 13.3 and since then I have huge problems with you tube videos. The problem is that when I start watching a video in YouTube, everything is ok until the progress bar reach 40 sec. In that point the progress bar stop loading further, the point that shows the progress returns to the beginning, and the video stops playing. Even if I try to right click on the video at that time to enter the flash properties window, the box with the flash settings is unresponding and keeps flashing rapidly The same problem happens with Chrome, Firefox and Safari and especially in music videos from Vevo. The steps I have done till now is: Update everything Unsubscribe from YouTube HTML5 Activate and deactivate Hardware Acceleration in Flash properties window Reinstall Adobe Flash Run Safari in 32bit mode and 64bit mode I have cleared all the cookies and data from safari Any ideas? I m loosing my mind here . Thx (sorry for my bad english, it's not my native language).