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I have suddenly been plagued with BSODs. Using WhoCrashed, I see that most are caused by mwac.sys (mwac_0xD592) BAD_POOL_CALLER. I looked up mwac.sys in the Windows driver folder and see that it was updated last week about the time the BSOD started happening.

I used the Malware Support Tool to completely remove and then re-install Malwarebytes. No change. I also tried the "repair" the installation option, but that didn't help either. I had to completely remove Malwarebytes because the BSODs would not stop.

Thanks for your help!

mbst-grab-results.zip SysnativeFileCollectionApp.zip

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In recent months Malwarebytes has caused several incompatibilities with Windows and other programs (such as Kaspersky). It's been 2 months since I uninstalled Malwarebytes and never had any problems, and I'm not missing it either. I believe that when my license expires, I see no point in renewing.

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54 minutes ago, danielfcoelho said:

In recent months Malwarebytes has caused several incompatibilities with Windows and other programs (such as Kaspersky).

Kaspersky and their version 20 is the issue. Version 19 has no issues but I can understand your frustrations.

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Malwarebytes 4.0 version 1.0.801 beta.

When close the laptop and left it for awhile, it shutdown. If closed and open a minute later, the system appeared to be coming up but showed black screen. I didn't encounter these kind of symptoms on previous version.

Turning off Web protection now.

 

mbst-grab-results.zip

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Got a BSOD and WhoCrashed blames mwac.sys. Attached are my results and memory dump ( https://we.tl/t-xO92bKO72U ).

 

On Sun 1/19/2020 1:13:33 AM your computer crashed or a problem was reported
crash dump file: C:\Windows\MEMORY.DMP
This was probably caused by the following module: mwac.sys (mwac+0x8C60)
Bugcheck code: 0x13A (0x11, 0xFFFF8E88FA002100, 0xFFFF8E8906236EF0, 0x0)
Error: KERNEL_MODE_HEAP_CORRUPTION
file path: C:\Windows\system32\drivers\mwac.sys
product: Malwarebytes Web Protection
company: Malwarebytes

 

mbst-grab-results.zip

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17 minutes ago, gmariani405 said:

Got a BSOD and WhoCrashed blames mwac.sys.

Controllers Version:     1.0.793

Could you enable beta updates and get the current beta that was designed to fix the BSOD's

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7 hours ago, Porthos said:

ETA for what? What exactly are your issues since this is your first post?

ETA for this tread topic , fix for constant BSODs with web protection enabled. Have web protection disabled for couple days as suggested in workaround , no more crashes observed.

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