According to the MBAM forum, this was posted by one of our Evang. in another thread:
If you decide to install the Pro version of MBAM, you will have to add the exclusions into the file system shield and to the exclusions in settings.
For Windows XP: CODE 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
For Windows Vista and Windows 7: CODE 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:\ProgramData\Malwarebytes\Malwarebytes' Anti-Malware\rules.ref
C:\Windows\System32\drivers\mbam.sys
C:\Windows\System32\drivers\mbamswissarmy.sys
For 64 bit versions of Windows Vista and Windows 7: CODE 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
C:\Program Files (x86)\Malwarebytes' Anti-Malware\zlib.dll
C:\Program Files (x86)\Malwarebytes' Anti-Malware\mbam.dll
C:\Program Files (x86)\Malwarebytes' Anti-Malware\mbamext.dll
C:\ProgramData\Malwarebytes\Malwarebytes' Anti-Malware\rules.ref
C:\Windows\System32\drivers\mbam.sys
C:\Windows\SysWoW64\drivers\mbamswissarmy.sys
These will need to be added one at a time.
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This was written when MBAM was v.1.46, and the version has since changed to 1.50. So you may want to verify with the MBAM forum. In the meantime, it can't hurt to add the exclusions to be on the safe side.