iMovie 10.0.9 update simply hangs with spinning ball.
iMovie 10.0.9 update simply hangs with spinning ball through the Mac App Store update.
I'm running Yosemite 10.10.3 on iMac Intel, everything is up to date. I then seemed to have network problems with Norton Security but that seems to have sorted itself out.
Can you help?
iMac (27-inch Late 2009), OS X Yosemite (10.10.3)