iCloud photo stream problem
Hi all - I really need your help.
My iPhoto '11 was working just fine until I upgraded it to 9.4.3. I also just installed the recent system upgrade. Now I am having multiple problems. It seems to stem from Photo Stream. Activity Monitor shows that Photo Stream is using up gobs of CPU which is strange since it is supposed to not be working...
In iPhoto, under the preferences, it shows that Photo Stream is not enabled. If I check the box to turn it on, it just unchecks itself just as quickly. But in the system preferences, it shows that Photo Stream is set up just fine. Photo Stream is certainly not working. And it seem to be totally screwing up iPhoto. I have tried multiple iPhoto fix options (option alt fixes, restoring a backup library, uninstalling then reinstalling iPhoto) with no improvement.
I'm not sure if the problem is coming from iPhoto or iCloud Photo Stream problems. I am running OSX 10.8.4 on a 3.4 GHz Intel Core i7.
Can anyone tell me what to do? Thank you so much!