My mac stops working after Screen capture (Cmd+Shift+4)

Hi all,
this is really a serious issue!
After upgrading to 10.6.6, I have found a bug with the Screen capture feature.
After several screen shots (CmdShift4) OSX is hanging. You can move the mouse, but everything else is frozen.
I've tested it prior to the upgrade with 10.6.5 -> no problem
I've tested it with 10.6.6 on 2 different Macbook Pros (different models) and both have the same issue with 10.6.6
Please apple, fix this bug!!
thnx
viTus

I don't think there is a bug for Apple to fix, as far as I can tell. I've taken plenty of screenshots using cmd-shift-4 since the update (I actually did a number just a few days ago), and my system is working just fine, as always. I also haven't heard any other reports of this kind of problem. So, the question is, what's going wrong with your systems?
Since it's happening on two different machines, my inclination would be to blame third-party software you've got installed. Try [starting up in Safe Mode|http://support.apple.com/kb/HT1455]... does the problem still happen then? Safe mode disables third-party software that may be loading at startup/login, so if the problem goes away in safe mode, then it's just a matter of figuring out what software is causing the problem.
Also, are you using any other third-party hardware, especially input devices, with both MacBooks when you're taking the screen shots? If so, try disconnecting all of it and use just the built-in keyboard and trackpad. If the problem goes away then, it's probably a hardware incompatibility.

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I don't think there is a bug for Apple to fix, as far as I can tell. I've taken plenty of screenshots using cmd-shift-4 since the update (I actually did a number just a few days ago), and my system is working just fine, as always. I also haven't heard any other reports of this kind of problem. So, the question is, what's going wrong with your systems?
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