Knowledgebase
Microsoft Security Essentials and Malwarebytes' Anti-Malware both running real-time protection
Posted by Christian Marvel on 09 February 2011 06:01 AM
We've noticed that Microsoft Security Essentials and Malwarebytes' Anti-Malware both running real-time protection at the same time have a tendency to cause your computer to freeze. Below is detailed a quick solution to any potential freezing issues (performing these steps is a must for Windows XP users).

If you are already experiencing the freezing issue: Restart your computer in Safe Mode (instructions at this link), and then launch Malwarebytes' Anti-Malware. Go to the 'Protection' tab, and uncheck the option that says "Start with Windows". Now restart your computer normally.

Once your computer is running normally, open Microsoft Security Essentials, and click 'Settings', and then click "Excluded processes", just like in the screenshot below:




After going to "Excluded processes", click the 'Add' button, and add the files listed below (this must be done one at a time):

  • C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe
  • C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe
  • C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe

64-bit Note: The paths to the files will be a little different on 64-bit editions of Windows. Add the following files instead:

  • C:\Program Files (x86)\Malwarebytes' Anti-Malware\mbam.exe
  • C:\Program Files (x86)\Malwarebytes' Anti-Malware\mbamgui.exe
  • C:\Program Files (x86)\Malwarebytes' Anti-Malware\mbamservice.exe

If you have not seen that type of file selector before, then note that to open a folder all you have to do is click the little [+] (plus symbol in a box) to the left of the folder name to open a folder, and click the little [-] (minus symbol in a box) to close a folder, like in the following screenshot:




Now, after adding all three of those files to the "Excludes processes" list, please go to the "Excluded files & locations" list, like in the following screenshot:




Add the following two files to this list (64-bit users will not find the mbamswissarmy.sys file in the System32 folder, and will not need to add it):

  • C:\WINDOWS\system32\drivers\mbam.sys
  • C:\WINDOWS\system32\drivers\mbamswissarmy.sys

After adding those two files to the list, close Microsoft Security Essentials, and then open Malwarebytes' Anti-Malware. Go to the 'Protection' tab and check the option that says "Start with Windows". Now, if you restart your computer, the freezing issues should be solved.
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