What version of PT 2019 are you using?
What version of Windows are you using?
How big are your sessions?
How many plug-ins and VIs do you typically use?
Which plug-ins and VIs do you use?
Do you run any additional virus software on your system?
Have you gone through the
Help Us Help You thread and performed all of the troubleshooting and optimization steps?
Give us a bit more info about your system and how you use it and I’m sure someone can help.