We just upgraded to 2019 from 2018.  In 2018 I was able to disable all the unused add-ins to save program load time. 

To disable unused add-ins (namely CAM), I navigate to Tools=>Add-ins and un-check the unused add-ins.  When I restart Solidworks 2019, the previously un-checked add-ins load anyway.  Then I go back to Tools=>Add-ins and see all the add-ins checked again.

Am I doing something wrong?  Is this a known bug of 2019?