You can always disable automatic updates, then run the update when you are in the mood.
Hi pwillner and jasonguysmiley,
I have the same problem and posted on Jan 14, 2015. This is not an issue with automated updates. I do the manual update and the problem is exactly the same.
I called adobe flash player technical support phone number 1 877-587-1877. They want $59 (warranty only 6 months) to fix this problem as they use a third party to solve this issue; they themselves provide no support. Or buy the paid version! They insist it is my network issue which I absolutely can not believe.
It is adobe Flash player update that forces reopening of safari and wracks the safari losing all windows from last session. That is not my network. Adobe does not appear to have a proper safari compatible flash player update.
Besides, this is a known problem at Adobe and they are not fixing it and want money to fix it one person at a time! They also shared that 25% to 30% of the installations have this problem... wow!! and they still will not fix it in a general update! I wonder if safari has a plug in update that can fix this?