i have a macbook air os x 10.10.2 Yosemite. Lots of space on it. tried to down load the resent flash player After updating my computer and it wI'll only go as far as 25 percent. Will not move. Tried reatartinf my computer, uninstalling flash and reinstalling, i picked the right flash player for my computer. All windows are closed. All previous downloads of flash player are deleted off my computer. Please help? Didn't pay 1300 dollars for this computer only to not be able to watch videos on it. Thanks.