A blue screen occured for some unknown reason soon after a recent Norton Software upgrade

Everything appears to be fine with the hardware. I used Norton Utiltites to  defragment the disk as well as  clean the and compact windows registry prior to this happening.
I also ran an up to date Norton Internet Security complete disk scan which only found 24 tracking cookies. Nothing else.

What I found alarming here was after the blue screen was that all browsers failed to work though they did work under safe mode with networking.

I intent to contact both HP and Norton to try to get to the bottom of this.
Note I could connect via SSH in  regular windows 7 mode even though the browsers failed to connect.
I then did a system repair restore to last good one 10/3/2013 but If  I do the same things I expect all this to repeat so I would love to get to the bottom of this sooner rather than later

I have an external wireless mouse, keyboard and bio-metric device connected.
I am tempted to uninstall Dragon because Nuance keeps plaguging me with bad software updates that never happen and using active-x components which by now should be extinct

After a Microsoft blue screen occurred  and rebooted I got this information
is attached.

Problem signature:
  Problem Event Name:      BlueScreen
  OS Version:      6.1.7601.
  Locale ID:      1033

Additional information about the problem:
  BCCode:      a
  BCP1:      0000000000000000
  BCP2:      0000000000000002
  BCP3:      0000000000000001
  BCP4:      FFFFF80002E93C3F
  OS Version:      6_1_7601
  Service Pack:      1_0
  Product:      256_1

Files that help describe the problem:

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Robert SilverSr. Software EngineerAsked:
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JohnBusiness Consultant (Owner)Commented:
I generally do not recommend tools that muck about with the registry. I also do not see a need to compact the registry.

I use Symantec Corporate (which does not have a registry cleaning component), but I have helped people with Norton Internet Security. It is generally a decent product.

Also, recent Symantec updates have been painless on systems I am familiar with.

If your computer is now running properly again, I recommend the following:

1. Continue with your intent to contact HP and Norton.
2. Disable registry scanning components of Norton until you get a resolution.
3. Disable registry compacting functions.
4. I do not know what Dragon is, but based on your comments, yes - Uninstall it.

... Thinkpads_User
Robert SilverSr. Software EngineerAuthor Commented:
Dragon is  a voice - to text dictation software by Nuance company - They are known for their scansoft and Dragon products. I will give them a piece of my mind though because Active-X components should be extinct they are huge security risks and fail to work properly

About Norton Utilities - For over a Year I ran their registry cleanups etc.. with no ill effects until potentially now. Perhaps you are right. But still what about the detail I gave the kernel Power event and the WD event that comes before it certainly these are related to the blue screen. I also give the restarted info from the inital blue screen. I run a lot of server software on this 16GB laptop  but I imagine this problem is somehow registry related. I am not sure what can truely be done to safeguard  Microsoft's awful registry that seems all to often to become bloated and die possibly from the size of it  etc..  
Oh I updated the HP BIOS to the latest as well not that that did anything regarding the blue screen I got. I am going to uninstall the Dragon software though it clearly can be problematic.
JohnBusiness Consultant (Owner)Commented:
On any modern system (Windows 7 is modern), disk space is almost always adequate to hold the registry. I have run Windows 7 for years and never compacted the registry. This did not lead to any performance issues of any kind. I now have Windows 8 and do not compact the registry on it.

The registry is complicated but never a user tool. Left alone, it works fine - at least it has done for me and my clients.

I looked at the messages but they were not informative. Infrequent blue screens can happen, and now that you have done a restore (back 2 days), the problem may have vanished.

At least for the time being, do not make registry adjustments and let NIS go on with its updates. Then seen if the blue screen occurs again. My guess is that it will not.

.... Thinkpads_User
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JohnBusiness Consultant (Owner)Commented:
I just ran Glary Utilities on my Windows 7 and on my Windows 8 machines. It has a Registry Defragment (compact) routine that I have not used.

On the Windows 7 machine, which has been running non-stop since May 2010 (and so all kinds of updates and installs) the registry is 14% fragmented.

One the Windows 8 laptop, which was new in May 2013 and so has had fewer overall updates and installs, the registry is 13% fragmented.

In other words the registry will always run at some level of fragmentation and appears (over a period of years) to maintain a level of about 15% fragmentation.

Nothing to worry about and so I continue with my recommendation not to do it.

... Thinkpads_User
Mohammad Aamir QureshiCommented:
Simple re-install window
Upload minidump for analysis


Robert SilverSr. Software EngineerAuthor Commented:
Aamirg - that is the worst answer here! You waste part of your life re-installing 100s of software programs and windows updates. NO THANK YOU!
I will ghost restore my laptop from a month ago before I do that!

ded9 - How do I do that? Through Microsoft?  I already copied all the *.dmp files on my C drive to a DVD which includes the minidump. Too bad there is no sysinternals utility for reading dmp files and specifying possible fixes.
Copy the last three minidump to a  folder. Zip the folder and attach it here.


Attach the latest minidump here or upload it on skydrive. Share the skydrive link.

Robert SilverSr. Software EngineerAuthor Commented:
Here you go dump files to go:
JohnBusiness Consultant (Owner)Commented:
Is your machine still producing blue screens since you did the System Restore?  I go the impression that the blue screens ceased after going back to a restore point.

... Thinkpads_User
Robert SilverSr. Software EngineerAuthor Commented:
Perhaps - Maybe in a month I will sigh in relief but until that time I expect it to repeat itself.
Crash dmp points to SYMNETS.SYS  and NETIO.SYS

Remove all traces of Symantec  software with the help of removal tool. Reboot and monitor the system. Install latest version of Symantec.

Also make sure you have installed latest drivers for your Ethernet and wifi


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Robert SilverSr. Software EngineerAuthor Commented:
Ded9 - Thank you - I will check with Symantec/WinDB Explained for mindump filesNorton Support on this issue.
May I ask how you got this information via the dmp files?  What utility was used to obtain  such information from the DMP files?  Microsoft says they can do nothing with the dmp files but that appears not to be the case since you were able to learn more from the dmp files!
Is this relevant?:
I use windows debugging tools.

Bsod is caused by third party drivers so they ask you to contact oem to get the latest drivers.

First install latest drivers for your Ethernet and wireless.

Uninstall norton with the help of norton removal tool. Reboot and install the latest version of norton.

Robert SilverSr. Software EngineerAuthor Commented:
The same tools or different tools
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