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BSOD 0x00000050


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#1 farzin_mofarrah

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Posted 04 November 2013 - 05:01 AM

Dear professionals  

 

Here is my problem details by BlueScreenView.exe from minidump files

 

Bug check string :  PAGE_FAULT_IN_NONPAGED_AREA

Bug check code : 0x00000050

Parameter 1 : fffffa80`10200000

Parameter 2 : 00000000`00000000

Parameter 3 : fffff800`00b96fce

Parameter 4 : 00000000`00000002

Caused by driver : ntoskrnl.exe

Caused by Address : ntoskrnl.exe+75b80

Processor : x64

Crash Adress : ntoskrnl.exe+75b80

Processor Counts : 4

Major version : 15

minor version : 7601

 

is there any way to solve the problem ?

many TNX

 



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#2 Anshad Edavana

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Posted 04 November 2013 - 06:13 AM

:welcome: to the Bleeping Computer forum.

 

A blue screen issue can be caused by either hardware or software reasons. Since a wide majority of 0x50 bigchecks are caused by a failing memory module, our first step should be nothing but stress testing the RAM with free tool "Memtest86+". What you need to do is running at least eight passes or more with it. For detailed steps, please read the below guide.

 

http://www.sevenforums.com/tutorials/105647-ram-test-memtest86.html

 

 

Depending on the amount of RAM, it may take several hours to complete eight passes. You can stop the test immediately even if a single error is detected.

 

Post your findings in next reply.



#3 farzin_mofarrah

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Posted 04 November 2013 - 07:14 AM

Dear Anshad,

tnx for reply,

 

I just find some image/ISO memtest86+  for download and make bootable CD !!

But i really don't want to reboot my laptop because after 100 times i could log in to windows and i use Hibernate method for Shutting down till solve the problem.

any way ...

i just tested Ram via Windows 7 own tester there was no problem, if u suggest to test it by Memtest86+ is there any tools that runs in windows ?



#4 Anshad Edavana

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Posted 04 November 2013 - 07:25 AM

Hi

 

Unfortunately it is not possible to test the RAM within Windows. Neither i nor other helpers here never suggests "Windows memory diagnostic" as it is known to be unreliable. "Memtest86+" is the best tool which is even recognized by RAM manufacture's like G-Skill , Corsair etc. However, since you need to avoid a reboot if possible, let us check for possible software issues first.

 

Please follow the below steps.

 

:step1: Upload the actual crash dump files.
 
You will find the crash dump files inside C:\Windows\Minidump folder. To copy the dumps, disable "User Account Control" first. Otherwise you may receive a permission error. After disabling UAC, copy and zip most recent three or more dumps to a single file. Either attach the zip with next reply using "More reply options --> Attach files" or use a free file hosting site. 
 
 
:step2: Publish a snapshot of your system using Speccy.
 
"Speccy" is a free tool which can list the hardware specs, temperature status, installed Windows updates, HDD SMART info etc of your system. Please read the below tutorial to know how to use "Speccy" to collect system info.
 
 
Don't paste the output displayed by "Speccy" here. Instead paste the web link it displays.
 
:step3: Minitoolbox log.
 
"Minitoolbox" can list all the installed programs as well as event log errors in your system. Download "Minitoolbox" from the below link.
 
 
 Run the tool and only select the following tick boxes.
 
List last 10 Event viewer errors
List installed program
List users, partition and memory size
List Minidumps
 

Now click "Go" and post the output displayed in next reply. 



#5 farzin_mofarrah

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Posted 06 November 2013 - 04:05 AM

Dear Anshad,

Finaly i desided to rebbot my lap top and test it's Ram by memtest86+ (v 5.1)
there was no error after 16 pass (24 hours) !

Now i'm trying to attach the memtest result & dump files
hope to get sth from them & find any way to solve the problem
tnx.

sth is wrong with upload files..
may i share file to my dropbox ? & add your dropbox ID as a friend ?

#6 Anshad Edavana

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Posted 06 November 2013 - 04:20 AM

Hi

 

Please use either one of the below free file hosting site to upload the files.

 

http://www.mediafire.com/

 

https://www.box.com/

 

If dropbox allows public sharing, you can also use that.



#7 farzin_mofarrah

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Posted 06 November 2013 - 04:53 AM

Dear Anshad,

here is the link memtst + dump

http://www.mediafire.com/?cfjim8sxjuaic


kindly let me know if to need event log or sth else

tnx

#8 Anshad Edavana

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Posted 06 November 2013 - 04:57 AM

Hi

 

Thanks for uploading the dump but we need at lest three of the last crash dumps to find a pattern. Also please post the output of "Minitoolbox" and the web link displayed by "Speccy" in next reply.



#9 Anshad Edavana

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Posted 06 November 2013 - 05:11 AM

Hi

 

As i am at work now, i may not be able to reply in time. I will post my findings once i get back home  :) .



#10 farzin_mofarrah

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Posted 06 November 2013 - 05:35 AM

Dear Anshad,

I just attached last 5 dump files (http://www.mediafire.com/download/xmf17szfsjd7021/dumps.rar)

But actualy i couldn't log in to windows to run Speccy after reboot to run memtest( as i said be4 i used hibernate method)

Now is the information enough to find out what the H*ll is with my laptop ?

#11 farzin_mofarrah

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Posted 06 November 2013 - 06:25 AM

Dear Anshad,

 

Finally i log in to windows and upload a snapshot of it ( http://www.mediafire.com/?cfjim8sxjuaic)

 

 

 

hope to help 



#12 Anshad Edavana

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Posted 06 November 2013 - 06:54 AM

Hi

 

What is your main boot drive ? (SSD or HDD). Can you remember the last software or hardware change made to the system ? .  Is "safe mode" works ?.



#13 Anshad Edavana

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Posted 06 November 2013 - 11:50 AM

Hi

 

Out of the five crash dumps, four of them shows the same bugcheck code.

BugCheck 50, {fffffa8107e41013, 0, fffff80000b97980, 5}

*** WARNING: Unable to verify timestamp for ntoskrnl.exe
*** ERROR: Module load completed but symbols could not be loaded for ntoskrnl.exe

Could not read faulting driver name
Probably caused by : ntoskrnl.exe ( nt_fffff80000b95000+2980 )

All the crash dumps blames Windows kernel as the reason behind the crashes which is simply not true. Debugger will blame the kernel if there are no third party drivers can be seen in the call stack.

 

Here is the MSDN reference about the STOP 0x50 bugcheck : http://msdn.microsoft.com/en-us/library/windows/hardware/ff559023(v=vs.85).aspx

 

 

 

Cause

Bug check 0x50 usually occurs after the installation of faulty hardware or in the event of failure of installed hardware (usually related to defective RAM, be it main memory, L2 RAM cache, or video RAM).

Another common cause is the installation of a faulty system service.

Antivirus software can also trigger this error, as can a corrupted NTFS volume.

 

As you can see, defective RAM is the number one reason but since "Memetest86+" is not detecting any errors, we can assume it is in good condition (although not all faults are detected in the test).

 

Let us check for other possible issues one by one.

 

:step1: Boot the system in to "safe mode".

 

     http://www.sevenforums.com/tutorials/69585-safe-mode.html

 

:step2: Run "System File Checker" from safe mode.

 

     http://www.sevenforums.com/tutorials/1538-sfc-scannow-command-system-file-checker.html

 

:step3: Run disk check on "C" drive.

 

     http://www.w7forums.com/threads/how-to-use-chkdsk-check-disk.448/

 

:step4: Scan for malwares.

 

      Boot the system in to "safe mode with networking" and scan for malware infections using the below tools.

 

      Malwarebytes free : http://www.bleepingcomputer.com/download/malwarebytes-anti-malware/ (run full scan).

 

      ESET online scanner : http://forums.majorgeeks.com/showthread.php?t=149856

 

      If there are infections found during the scan, report here immediately.

 

:step5: Uninstall ESET antivirus.

 

If none of the above steps helps, uninstall ESET as a test. As the Microsoft article says, a large portion of rogue blue screens are caused by bugs in antivirus programs. Kernel mode drivers used by an AV can easily corrupt Windows kernel. To remove ESET, boot the system in to "safe mode" and run the official "removal tool".

 

http://kb.eset.com/esetkb/index?page=content&id=soln2289

 

Report your findings in next reply.



#14 farzin_mofarrah

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Posted 08 November 2013 - 11:44 PM

Dear Anshad,

 

first of all, I have to say thank u very much for helping me,

 

I was in holidays, Now let's Start again ...

 

1- my main boot drive was  HDD , i changed to SSD  but nothing changed !!

2- the last things i remember changed is just windows update , before that Eset and before Microsoft Office , that's all

3- there is just BSOD  in all mode, Safe mod, Command prompt...etc.

 

I'm trying 5 steps NOW.. :smash: 



#15 farzin_mofarrah

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Posted 09 November 2013 - 12:17 AM

Something i discovered is, after 10 times i can choose "Windows memory Diagnostics tool" then restart, after check i can log in to windows normally and there are no BSOD till next reboot !!

 

Is that helps u to sth.. i don't know .. to find out what is wrong ?






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