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BSoD Bad_Pool_Caller


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#1
Steric

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The dreaded Blue Screen of Death titled Bad_Pool_Caller

I've started having this happen recently (within the last couple weeks or so).
I can run my computer 24/7 if I want and never have this happen.
However, there are two community/social oriented websites that I visit where I will experience this issue at what appears to be random intervals. I might get the BSoD logging into my account for the sites. I might get it after some extremely variable random period of time browsing the site. Or I might not get it at all.
These two sites are sites I've been visiting for a long time, and never had problems with before a couple weeks ago.
And again, I can surf the net all I want and never encounter this issue on all the other sites I visit, but these two I do.


Any preliminary thoughts? The only thing I can come up with is that there's a potentiality that around the time this issue started Adobe Flash Player updated to version 11 from 10. I can't be sure sure that these things line up perfectly but it's the only thing that even remotely comes to mind...but if this were the case, why only two of X number of regularly visited sites causing the problem?

/confused
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#2
Xtreme930

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The problem is pretty generic, does it contain a driver name, or was any software installed or removed during your last session that could have caused this error? has there been any recent hardware changes to the PC, particularly related to memory? Please provide more details about your machine so we can get a more clear view.
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#3
rshaffer61

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Download BlueScreenView
No installation required.
Double click on BlueScreenView.exe file to run the program.
When scanning is done, go Edit>Select All.
Go File>Save Selected Items, and save the report as BSOD.txt.
Open BSOD.txt in Notepad, copy all content, and paste it into your next reply.

Thanks to Broni for the instructions and program




Please follow the steps below to enter the Event Viewer program in Vista\Win7. This will give me more information into what is causing your issue. You can get to Event viewer two ways and I will post both for you.

Method One

" Go to
" Start
" In the Search box type in Event Viewer in the search box and press Enter
" From this point you can follow from step four from the below method as they will be the same.
Method Two

" Go to Start
" Right click on the Computer Icon and select Manage
" Navigate to the Event Viewer, You will be prompted to accept the action you are going to perform. Click continue
" On the left window pane click on Local and then expand the Windows entry. This will allow you to see every error for the past 24 hours as well as the last 7 days in the right window pane.
" Look for the ones that correspond to the times that your issue occurred.
" If any are found please double click and expand the error. This will open and give you more information on the error.
" Please include that in your next reply.

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#4
Steric

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I won't paste all the BSOD entries simply because each entry is the same as the other...here's teh latest.

==================================================
Dump File : 072612-21075-01.dmp
Crash Time : 2012-07-26 10:01:49
Bug Check String : BAD_POOL_CALLER
Bug Check Code : 0x000000c2
Parameter 1 : 00000000`00000007
Parameter 2 : 00000000`0000109b
Parameter 3 : 00000000`0549dd58
Parameter 4 : fffff880`02f1b7d0
Caused By Driver : vwififlt.sys
Caused By Address : vwififlt.sys+69c0
File Description :
Product Name :
Company :
File Version :
Processor : x64
Crash Address : ntoskrnl.exe+7f1c0
Stack Address 1 :
Stack Address 2 :
Stack Address 3 :
Computer Name :
Full Path : C:\Windows\Minidump\072612-21075-01.dmp
Processors Count : 2
Major Version : 15
Minor Version : 7601
Dump File Size : 274 952
==================================================

wifi driver issue? I still can't figure out why it would only happen on select websites.
Went into the event log and this is what was happening at the exact time of the crash.

In the security even viewer it shows 4 events at this time.
"An account was successfully logged on" followed by "Special privileges assigned to new logon."
The same two events repeat making the 4 total.
There are a crap-load of these events in the list that don't correspond to crash times.

In the application section nothing is listed at the exact time of the crash but the last thing before the crash was some software security stuff. "The Software Protection service has completed licensing status check." plus other events related to this protection service. It looks like these events were the last events before a previous crash this morning as well.

In the system log at the exact time are two entries
"The Multimedia Class Scheduler service entered the running state."
"The Windows Event Log service entered the running state."
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#5
rshaffer61

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Vwififlt.sys with description Virtual WiFi Filter Driver is a driver file from company Microsoft Corporation belonging to product Microsoft® Windows® Operating System.
The file is digitally signed from Microsoft Windows - Microsoft Time-Stamp Service
We do not recommend removing digitally signed files from Microsoft Windows

Indicates the driver for your Wifi is the culprit. Did you recently update it or is it the original?





Please Run the PCPitstop.com OverDrive Full Tests

Here's how:

You must use your Internet Explorer for this procedure. (doesn't work so well in Firefox or others). If your machine is running Vista or Windows 7, you must Select IE to “Run as Administrator”. After completing PCPitstop OverDrive you can close your IE browser and re-open it Normally so that you are no longer running as administrator.

Go to: http://www.pcpitstop.com
Click on "Free Computer Check-up" listed below PC Pitstop OverDrive
In the User Login - Click on "Sign up FREE!"
You'll need to submit a valid email address and create your own password, then click - Create Account(button)

Now enter your email address and password to Log in, Select - Scan this system Now!(button)
You will then be asked to download an ActiveX component and allow it to install.
It is safe and does not compromise your privacy.
Follow the on-screen prompts to install the ActiveX and to allow the Full Tests to be run on your machine.

The Full Tests take about 2 1/2 - 3 minutes on most machines.
When complete, a Results - Summary - Recommended Fixes will be displayed.

Please post the URL internet address, from your Results, back here into this Topic Thread so that we can review the configuration and present performance levels of your machine.

Note: During the graphics 2D and graphics 3D testing, your screen will display some rapidly moving objects.
If you are sensitive to visual flashing, it may cause dizziness. Therefore, look away from the screen during that portion of the testing.

After reviewing the results we will be more informed and may be able to provide better recommendations for you to work towards improving your machine's performance.

While PCPitstop does offer a variety of Paid Products, the PCPitstop OverDrive testing is FREE. Please ignore the references to Paid Products. We prefer to provide manual solution instructions that you can apply directly to your machine.

Best Regards
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#6
Steric

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I have not/did not update my wifi drivers so they shouldn't have changed. I'll run that next step and repost. Thanks
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#7
rshaffer61

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OK that next step will let us know if the Wifi drivers are out of date so we can then update it.
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#8
Steric

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I can't get the utility to run on PCpitstop. I tried all their general troubleshooting tips and still can't get it to run...lol

...and I was in IE

Edited by Steric, 26 July 2012 - 10:32 AM.

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#9
rshaffer61

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OK we can do it a different way. First is this a laptop or desktop?
Is it a brand name system and if so what make and model is it?

Download DriverMax and have it scan your system. It will open their website with all the out of date drivers you can update. With the free version you can update only 2 drivers per day so if you have a lot of them it will take a few days to get everything updated. I have been using it for about 4 months now and like it better then any other utility out there for keeping my drivers up to date.
If you want you can post screenshots of all the drivers in the list that need to be updated and I will suggest in what order to get them.
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#10
Steric

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Ok here's the list...there were a handful of USB drivers at the bottom of the list that were green lighted as up to date that I didn't include in the images. I think I can kinda see the direction this will take based on what's supposedly outdated lol

Attached Thumbnails

  • dm1.jpg
  • dm2.jpg
  • dm3.jpg
  • dm4.jpg

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#11
rshaffer61

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OK the first two I want you to get is the Yukon and the Realtek ethernet controller drivers. Those two should take care of wireless issue.
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#12
Steric

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Updated those two...everything appears to be good.
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#13
rshaffer61

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OK test it for a few hours or even a day and see if the BSOD shows up again. If not then you can start updating anything else that is on the list if you would like to. If not then uninstall Drivermax and update me then. Good job and I will wait for your update. :thumbsup:
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#14
Steric

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Haven't had a crash since, thanks for the help!
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#15
rshaffer61

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24 hours and no crashes...that is good news for sure. :thumbsup:
We will wait at least another day and if everything is working correctly and you are happy then we will consider this topic resolved. ;)
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