However: if the MBAM Premium Trial ends after 14 days: MBAM will remain the default AV and you CANNOT enable Defender without uninstalling MBAM! There is no button in Security Center to take over Defender as Default AV solution. Defender will be disabled as soon MBAM 3.7.1 is installed and either Premium Trial or Premium trial is enabled Security Center may go through different states of being OK (Defender enabled, then MBAM services will disable it, leading to the status above) Security Center may report a warning about Malwarebytes that cannot be confirmed screen may get black for some minutes and then all inputs and commands will be stacked and excuted later after the freeze start screen (start menu), systray, mouse may become unresponsive or lag your system may get entirely inresponsive during normal workloads your system may be unresponsive in the login screen your system may take a lot of time for proceeding boot and startup process after login screen has been confirmed There have been cross test on same hardware (Dualboot) without MBAM, that did not show the issues and they are reproducible gone after running mb-clean-3.exe I'd like to give out a usage warning for Malwarebytes 3.7.1 in companion with Wind(Release Preview) 18362.52įollowing issues have been observed for some weeks now during 1903 was in insider fast / release preview now. Endpoint Detection & Response for Servers