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MB slows down the comp, sometimes to a screeching halt.

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It began a few months ago. MBAMSERVICE .EXE often takes up to 80% CPU and 150K memory. Even when it doesn't, the lagging is so bad, it makes it difficult to type or fill up any form. I'm using Win XP and Chrome if it matters. I can't say whether if it started when I updated to a new version or not.  When I exit MB and remove the process, everything is fine again.


I have never had a problem with MB before.

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Hello and :welcome:

Let's try this first....

  • Please uninstall your current version of MBAM and reinstall the latest build - MBAM Clean Removal Process 2x This will get us a fresh starting point.
  • If that does not correct the issue, then please read the following and post back the 3 requested logs - Diagnostic Logs

    (the three files should be CheckResults.txt, FRST.txt and Addition.txt) This will help us to get an idea on the status of your computer so we can assist you better.

  • NOTE: There is an FAQ section with valuable information located here - Common Questions, Issues, and their Solutions
Thank You,


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  • Root Admin

In the registry please remove explorer and internet explorer from the compatibility settings

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\appCompatFlags\Layers

C:\Program Files\Internet Explorer\iexplore.exe



Then restart the computer and let us know how its working.

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  • 6 months later...

I am also having this issue - running XP SP3, running MBAM Premium, mbamservice.exe is consistently running above 200MB-250MB. It is the 2nd largest resource user after Firefox. Firefox and MBAM together are frequently causing low virtual memory issues on the machine. I have run Farbar and MBAM-check, and have the files, but they would not upload (upload skipped (Error IO)). How should I proceed?

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Hi, and :welcome: , steve1290:

Sorry to hear you are having issues.

Each computer is unique.

Problems that sound "the same" most often are not.

The same is true for solutions.

They most often need to be individualized.

It is less confusing for everyone if we try to stick to "one user per topic".

Please start a NEW, SEPARATE topic using the cjfj.png button. (where we can help you in your own topic)

The staff and experts will be able to more easily provide both you and the OP with individual help to get you both up and running.

Thanks for your patience and understanding,


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I also want to chime in... You are struggling for free disk space.


Drive c: () (Fixed) (Total:48.83 GB) (Free:0.86 GB) NTFS ==>[Drive with boot components (Windows XP)]
Drive e: (Multimedia) (Fixed) (Total:78.12 GB) (Free:2.71 GB) NTFS
Drive f: (Misc) (Fixed) (Total:22.09 GB) (Free:0.97 GB) NTFS

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Porthos This topic is from way back in Jul 2014, I am sure that mnscout (original poster) is either no longer monitoring this topic or has had the issue resolved. 


Furthermore, the free space does not apply to steve1290 which hijacked this topic, this is why I asked steve1290 to start their own topic to give them an opportunity to have their logs reviewed once they are posted.


Thanks for you comments though...

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