Hello, I have an assembly that several parts inside and when I want to open a function that takes 3-4 minutes to open and close the same thing. There there a property in the system options should I change???? Because I checked the site solidworks all my equipment that I have and it is up to date and it has not changed. Is it normal that with solidworks visited parts 800-1000 near his coming? By the way, I solidworks 2012.