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Windows 7: What's causing this BSOD (0x50, 0x1a, 0x7f)?

13 Oct 2014   #1
Swaggy P

Windows 7 Home Premium 64bit
 
 
What's causing this BSOD (0x50, 0x1a, 0x7f)?

I've experiencing the Blue Screen of Death errors recently
I followed the posting steps and attached the .zip files on this thread
All help will be appreciated


My System SpecsSystem Spec
.
13 Oct 2014   #2
HonorGamer

Windows 8.1 Pro x64
 
 

Hello, Welcome to SF!

Code:
Probably caused by :memory_corruption ( nt!MiAgeWorkingSet+1d1 ) 
BugCheck 50, {fffff6837f7e0df8, 0, fffff80002c7e55b, 5} 
BugCheck Info: PAGE_FAULT_IN_NONPAGED_AREA (50)
BugCheck 50 can actually be caused by quite a lot of things. Memory, device drivers, corrupt installs, and anti-virus.

After looking at the MSINFO32 file, I found this line:
Code:
Security Processor Loader Driver	ROOT\LEGACY_SPLDR\0000	This device is not present, is not working properly, or does not have all its drivers installed.
This basically means that the anti-virus you currently have is corrupt. From the looks of it, you are just using Windows Defender:
Code:
msmpeng.exe	c:\program files\microsoft security client\msmpeng.exe
I suggest disabling it(you can follow this tutorial: Windows Defender - Turn On or Off), as it also has some application errors, and just installing Download Microsoft Security Essentials from Official Microsoft Download Center

This is weird to me because I have never seen a problem with Windows Defender before, but that does not mean it isn't possible.

And to be on the safe side, lets run a RAM - Test with Memtest86+
Tip   Tip
Run Memtest86 for a minimum of 8 passes


Post back results.
-Justin
My System SpecsSystem Spec
14 Oct 2014   #3
Swaggy P

Windows 7 Home Premium 64bit
 
 

That's weird...I tried to turn off Windows Defender, but it was already off, and I got MSE installed already.
*about to run a RAM memtest*

EDIT: I might run it overnight while I'm sleeping since it takes a long time to finish

I really hope my RAM is fine. I don't feel like testing my motherboards
My System SpecsSystem Spec
.

14 Oct 2014   #4
HonorGamer

Windows 8.1 Pro x64
 
 

If you already have it installed, then I suggest reinstalling it with a fresh downloaded copy.
My System SpecsSystem Spec
14 Oct 2014   #5
Swaggy P

Windows 7 Home Premium 64bit
 
 

I double checked the Windows Defender issue and found out that the Administrator setting is still checked (it was "off" because I have MSE installed)...silly me

I re-installed MSE and it is currently updating. I hope this permanently solves the issue

NOTE: I have no BSODs so far today even before doing something with Windows Defender and MS Essentials

Thanks for your help!!!
My System SpecsSystem Spec
14 Oct 2014   #6
Swaggy P

Windows 7 Home Premium 64bit
 
 

UPDATE: Just got a BSOD error...
My System SpecsSystem Spec
14 Oct 2014   #7
HonorGamer

Windows 8.1 Pro x64
 
 

Once you did all of the above, did you restart your computer?

Have you ran a Memtest yet?
My System SpecsSystem Spec
14 Oct 2014   #8
Swaggy P

Windows 7 Home Premium 64bit
 
 

I haven't ran a memtest (planning on doing it tonight)
I don't remember restarting after re-installing MSE.
Is there anything that's different about the latest BSOD error, or is it still about my anti-virus programs?
My System SpecsSystem Spec
14 Oct 2014   #9
HonorGamer

Windows 8.1 Pro x64
 
 

It's showing all the above possible errors, I am going to look at them in detail here soon.

-Justin
My System SpecsSystem Spec
14 Oct 2014   #10
Swaggy P

Windows 7 Home Premium 64bit
 
 

Im doing the memtest right now (typing this using my phone)
My System SpecsSystem Spec
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 What's causing this BSOD (0x50, 0x1a, 0x7f)?




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