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High CPU usage 35% - 89%

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I'm observing very high CPU usage periodically at a high interval throughout the computing day on one of my two Windows 10 computers. The computer involved has been upgraded to Anniversary Edition. Malwarebytes starts up and hogs the resources. The Malwarebytes version I'm running is dated 3.10.2016. This is unexpected behavior. What can I do to tame resources issue? Thank you in advance.

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Hello and :welcome:, @Vicd:

It sounds as if perhaps you may have upgraded to Win10 AU with MBAM installed?
If so, then the OS upgrade may have caused some minor problems with MBAM.
If not, there may still be something amiss with MBAM.

Let's try this first....

  1. Please carefully follow ALL the steps in this pinned topic to uninstall your current version of MBAM and reinstall the latest build - MBAM Clean Removal Process 2x
  2. If that does not correct the issue, then please read the following and attach to your next reply the 3 requested logs - Diagnostic Logs (the 3 logs are: FRST.txt, Addition.txt and CheckResults.txt)

Thank you,

P.S. The current PROGRAM version of MBAM Consumer is;)  Individual components may have different version numbers or dates.  But, to minimize confusion, we generally refer to the program by the build version -- in this case, it's No worries, though.

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Thank you Daledoc1. Things are looking much better with very low CPU utilization (<1%) with the removal and re-installation. It is much quieter without the notebook fan spinning at max. It took me too long to figure out what had gone wrong. Oh well.

I'll monitor utilization for awhile.

Thank you, again!



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That's excellent news. I'm glad you were able to resolve your issue with the clean reinstall.
Yes, security program tend to be a bit twitchy about major OS changes (either upgrades or rollbacks).
Those can break the program's metadata or cause other subtle issues.
When in doubt, a quick, clean reinstall will often fix the problem.

Thanks for taking the time to report your results.


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