Every time I tried to activate MBAM 3.0 for a client, I get attached error. “Unable to contact license server. Check your network settings or contact your system administrator for help.” “There was a problem validating SSL certificates” Ensure that NT Service\cryptsvc has Read and Full Control permissions on the following registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot Also, ensure the following registry keys are inheriting the above mentioned "NT Service\cryptsvc Read and Full Control" permission: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\AutoUpdate HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\CRLs HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\CTLs