Blue screen flicker after security update

Question

I just downloaded the recent security update this morning, and now about 5 minutes after starting up my macbook pro, the monitor flickers to blue for about 5 seconds or so, then flickers back to the desktop for less than one second, and flickers back to blue again. Multiple hard boots doesn't resolve the issue, but booting into safe mode keeps it stable.
I thought it might be an issue with having a Second monitor installed during the installation, since the issue didn't come up until after shutting down, unplugging the monitor and running the laptop on its own. After the second time rebooting, i pulled up the display prefs in system preferences and It pulled up two windows, one for the mbp display and a second for a display that was 1x1 pixels. I then pressed "detect displays" and it seemed to fix the problem. Then a couple of minutes later it did the blue flicker again.
I have a 15" mbp 2.2 core i7 with 8GB RAM that was purchased in june 2011 and is running 10.6.8.
Right now i'm not sure what to do next. Any help?

Answer 1

Hi,
I struggled with the same problem when the stage is squeezed just after the Default.png disappears and after less then a sec it stretches to the right aspect ratio.
The settings I'm using:
aspect ratio - landscape
fullscreen - true
auto orientation - false
After trying different things (using other png's and other solutions people offered) I think I finally found a fair solution. You can still get a very short flicker every now and then but for example when I tested my app I opened it 20 times and received a flicker only once. But yeah, till Adobe or someone else finds a better solution for this issue I think it's the best you can get.
So it's pretty simple, just set the scaling mode to no_scale by putting this line of code on your first frame:
this.stage.scaleMode = StageScaleMode.NO_SCALE;
I'm still struggling with doing the same thing when using the document class. It seems like it takes more time till the line is fired and you'll always get the flicker for a very short time (although much shorter then before adding this line of code).
I hope it will do the trick for you. If I'll find a better solution or will find a better way to implement this solution with the document class I'll post again.
Oz