If you need to install a service pack update for SolidWorks 2017, always run the "Deactivate" option in your SSQ tool first, install the update, and then re-run the activator.
: Choose Standalone License when prompted. solidworks2017activatorssq error 6 fixed
Fixing the SolidWorks 2017 Activator SSQ Error 6: A Complete Guide If you need to install a service pack