Ok- I am using the Creative Cloud Photoshop, and each time I open PS, all of my styles and actions are gone that I have loaded previously. Any ideas why and how to make them stay there all the time? So ANNOYING!
If you're on a Mac, you could try repairing permissions (in Disk Utility). That fixes all kinds of weird issues. No idea on a PC. I have PS CC and don't have this problem.