Microsoft recently released an official update that seems to cause some HP's to "bluescreen" on startup. The Dell update seems to be for the webcam
There's a VERY simple fix for this.
HP's
Restart your computer(press and hold the power button for 5-10 seconds if you need to turn if off from the bluescreen)
While it is turning on tap the F8 key once a second until a text menu comes up
Arrow key down to Safe Mode with networking and press Enter
Windows will load, a bunch of files will scroll past, this is normal
After Windows loads, click Start > Accessories > System Restore
When the window pops up(it will take a few minutes sometimes); select "Different date" and choose the latest one that says Windows Update by it and click "next", and then confirm by clicking yes.
Your computer will then restart and undo the Windows update that caused the bluescreen.
If you're on an HP, that's all you have to do, Dells require a bit more work.
Dells
(Note, you will need internet access on the computer affected, or your restore disc labeled Drivers/Applications or this will not work)
Restart your computer(press and hold the power button for 5-10 seconds if you need to turn if off from the bluescreen)
While it is turning on tap the F8 key once a second until a text menu comes up
Arrow key down to Safe Mode with networking and press Enter
Windows will load, a bunch of files will scroll past, this is normal
Go to your Control Panel and select "System" and then click on the Hardware tab.
Select Device Manager
In the list that comes up, click on Image, or Imaging Devices
Under that you should see something similar to "Integrated Webcam", right click and select "Uninstall"
Check the box that says Uninstall the software for this device and click OK
After it has finished, restart your computer normally.
Insert the Driver/Apps disc and go into the Dell Resource CD and find your webcam driver/install it
-or-
Go to http://dell.com and enter your Dell Service Tag(usually on the bottom/back of your computer) and make your way to the Drivers page for your model and download/install the webcam software
This will take about 5-30 minutes depending on your computer.
Note : This plays tricks on your anti virus programs and they may say your "definitions" are corrupt/out of date. This is also a simple fix, all you have do is run your AV programs update option and everything should be fixed.
Double note : This may or may not fix your problem if you have other issues. If you have any trouble, post here and I'll do my best to help. If you purchased your HP from Best Buy, and are within your warranty/service plan, most stores(as far as I know) are offering to fix this for free as it was not caused by the user.
Anything else, please ask 
If you like my post, or solution to your issue/question, go ahead and click on the little star by my name and/or accept the post as the Solution. It makes me happy.
I'm NOT an employee of Best Buy, or Geek Squad, none of my advice is to be taken as the official stance that Best Buy will take on your situation. My advice is just that, advice.
Unfortunately, that's the bad luck of any electronic, there's going to be bad Apples... wait that's a horrible pun.
We've been fixing HP's left and right the past two days. I think I could do it in my sleep now.
@jayysenn
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