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Windows 7: Memory_management error 0x0000001a

24 Sep 2013   #1

Windows 7 Ultimate 64 bit
Memory_management error 0x0000001a

Hi everyone,

in the last few month I get the BSOD often (2-3 time a week). It is always a memory_management error, type 0x0000001a.

I have a i5 processor, 4gb RAM and Radeon6490M graphics on my HP 4530s laptop.

I bought additional 4gb RAM thinking that maybe the lack of RAM is causing this, but the problem is still there.

Last week I tried to remove the old slot of RAM, and use only the new 4GB RAM on the secondary position. Today I got the BSOD again. This happens when I am on the internet, watching some video or working in MS Word on a more complex files (with a lot of links).

I am desperate and that is why I am writing here.

Any help is appreciated.

Here is the memory dumb file.

Thank you

My System SpecsSystem Spec
24 Sep 2013   #2

Windows 7 Ultimate 64 bit

thanks for the reply.

Will do as you told me
My System SpecsSystem Spec
24 Sep 2013   #3
nommy the first

Microsoft Windows 8.1 64-bit Professional

Hello Needle1312,

My previous post was edited by an administrator, there is no need to reupload your msinfo as it is already included in your OP message.


Please reduce the items that run at start up. You basically only need your anti virus to run at start up, all other programs are not necessary and can be removed from the start up list.
Check this tutorial to see how to add or remove start up items.


Both dump files point to the following cause;
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

Use !analyze -v to get detailed debugging information.

BugCheck 1A, {31, fffffa8003f80900, fffff8800447b000, fffff8a01205813e}

Probably caused by : ntkrnlmp.exe ( nt! ?? ::NNGAKEGL::`string'+71d1 )

Followup: MachineOwner
Bug Check 0x1A_41790.
Usual causes: Failing RAM.
More info Bug Check 0x1A.

Please attach all RAM sticks and do the following;
Please run Memtest86+ to test your RAM for issues.

Tip   Tip
Let Memtest run for at least 10 passes and preferably overnight as it may take very long to complete.
Especially read part three of the tutorial, which explains you to test each RAM stick in all DIMM slots to filter out failing slots.
Quote   Quote: Originally Posted by Arc View Post
Suppose you have got the result like that:
It is a RAM, a bad RAM.

But if you have got a result like that:
It is a motherboard issue. The particular slot is bad.


Please use the SFC /SCANNOW command as displayed in option two of this tutorial.
  1. Click on the .
  2. Open an elevated command prompt.
  3. Type "SFC /SCANNOW" without the quotations.
  4. Let SFC do it's thing, and then prompted to, restart.

    If SFC found and repaired anything, please do the following:
  5. When restarted, open an elevated command prompt.
  6. Type (or copy) the following, this will create a .txt file on your desktop;
    findstr /c:"[SR]" %windir%\Logs\CBS\CBS.log >"%userprofile%\Desktop\sfcdetails.txt"
  7. In your next reply, please attach this file using the method displayed in this tutorial.


If you are unable to boot into Windows, please use the following method instead of the one displayed above;
Please use the SFC /SCANNOW command at boot as shown in option one of this tutorial.
Note   Note
You will need either your original Windows Installation disc or a Repair Disc for this to work.

  1. First change the Boot order so that DVD's boot before Windows does.
  2. Insert either your installation or repair disc in your machine.
  3. Navigate to the System Recovery Options, and once there, click on Command Prompt.
  4. In command prompt, please type the following;
    sfc /scannow /offbootdir=f:\ /offwindir=f:\windows
    Replace F: with the letter where Windows is installed on!
  5. SFC will now attempt to search for integrity violations and fix those found.
  6. Once done, please type "Exit" and hit ENTER to exit command prompt.
  7. To restart, remove the DVD and select Restart from the menu.

    If SFC found and repaired any violations, please do the following;
  8. When restarted, open an elevated command prompt.
  9. Type (or copy) the following, this will create a .txt file on your desktop;
    findstr /c:"[SR]" %windir%\Logs\CBS\CBS.log >"%userprofile%\Desktop\sfcdetails.txt"
  10. In your next reply, please attach this file using the method displayed in this tutorial.

Good luck and keep us posted,
My System SpecsSystem Spec

26 Sep 2013   #4

Windows 7 Ultimate 64 bit

Hi guys,

I ran the memtest and it showed that one of the RAM modules had errors.

I will replace it with a new one.

Thanks for the time and efforts in helping me to detecting the problem.
My System SpecsSystem Spec
26 Sep 2013   #5
nommy the first

Microsoft Windows 8.1 64-bit Professional

Hello Needle1312,

Glad that we could be of assistance in solving your issue

After replacing the faulty RAM module, please rerun Memtest to check the new RAM for possible issues.

Good luck,
My System SpecsSystem Spec
27 Sep 2013   #6

Windows 7 Ultimate 64 bit

Hi Nommy,

Be sure I will run the memtest again. I am not letting go of the CD now

My System SpecsSystem Spec

 Memory_management error 0x0000001a

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