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Unable to Update MBAM

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I'm a new user at the forum. I have used MBAM in the past to get rid of a hijack virus. This time I'm attempting to get rid of "Microsoft Security Essentials Alert". I used the same website that I used in the past (myantispyware.com); however, the difference was that this time I got an error when I tried to update MBAM: MBAM_ERROR_UPDATING (12150, 0, WinHttpQueryHeaders). When it gave me the error, I clicked OK and continued with the scan of my computer anyway. It found a total of 14 malware and trojans, I got rid of them, restarted, but the Microsoft Security Essentials hijacker window appeared again.

Could the reason it came back be that I wasn't able to update MBAM? I just downladed MBAM from the link that myantispyware.com provided, so I figure it should have been the latest edition...

I am able to connect to the internet at the moment, am using a cable modem and am on the directly connected PC (not through router), I'm using XP, and I have Norton Anti-Virus.

Any help is appreciated.


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Hi oscarpj and Welcome -

"Microsoft Security Essentials Alert". This can be dangerous unless we remove it now -

As you have been infected by this item please follow these instructions so our experts can remove it for you -

As we do not work on Malware removal or diagnostics in the general forums please follow these directions -

Please print out, read and follow-> What do I do now? <-, skipping any steps you are unable to complete.

The next step is post a ->New Topic Here.

One of the expert helpers there will give you one-on-one assistance when one becomes available.

After posting your new post make sure under options that you select Track this topic and choose one of the Email options so that

you're alerted when someone has replied to your post - Please allow at least 48 hours for a reply as the experts can get busy at times -

Also add a brief note to the experts as to your problems -

Alternatively, as a paying customer, you can contact the help desk at support@malwarebytes.org or via This Link

Always use the ADD REPLY Tab at the bottom of the page when you reply -

Thank You - :)


Also please exclude the following files from your antivirus and disable the Norton Add-On Pack if installed -

Note: If using a software firewall besides the built in Windows Firewall you'll need to exclude them from it as well

For Windows XP:

  • C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe
  • C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe
  • C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe
  • C:\Program Files\Malwarebytes' Anti-Malware\zlib.dll
  • C:\Program Files\Malwarebytes' Anti-Malware\mbam.dll
  • C:\Program Files\Malwarebytes' Anti-Malware\mbamext.dll
  • C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes' Anti-Malware\rules.ref
  • C:\Windows\System32\drivers\mbam.sys
  • C:\Windows\System32\drivers\mbamswissarmy.sys

Note: If using a software firewall besides the built in Windows Firewall you'll need to exclude MBAM.EXE from it as well

Note: Once that's done, please make sure that if either of those programs has any sort of web filter, that you add the following as a trusted site:


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