The proper methods for uninstalling Malwarebytes for Mac can be found here: https://support.malwarebytes.com/hc/en-us/articles/360039025233 If you have tried to remove the software by dragging the Malwarebytes application to the trash, that is not the proper way to remove it. In that case, you will be unable to access the Uninstall item in the application to remove the software properly in recent versions of Malwarebytes for Mac. In such a case, you can do one of two things: