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Mac Startup slows dramatically when Malwarebytes Premium 3.9.23 "real-time protection" features engaged

After an hour with Apple support, I learned that startup time for my Mac (Mojave 10.14.6) was being slowed down dramatically after the latest update to Malwarebytes Premium v. 3.9.23. With "real-time protection" features Ad Block and Malware Protection engaged in Malwarebytes premium, Startup (from turning on my Mac to reaching the login screen) took up to 4 minutes. After unchecking those features on Malwarebytes before shutting down, startup time returned to normal: under 20 seconds.


Curiously, the same startup slowdown does not occur on my MacBook Pro (High Sierra 10.13.6) with Malwarebytes Premium v. 3.9.23 with the "real-time protection" features engaged. Any clues?

Posted on Aug 9, 2019 6:49 AM

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Posted on Aug 9, 2019 6:55 AM

Contact Malwarebytes technical support and ask them.

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Mac Startup slows dramatically when Malwarebytes Premium 3.9.23 "real-time protection" features engaged

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