Still unable to open dashboard since update.

I’ve had Plex Media Server installed on my only computer for four years and it has worked perfectly. However, since last update everything still works exactly the same except when I am at my only computer, where Plex is installed, and double click the plex icon in the system tray to open the dashboard it takes me to a login page. I now have to login again even though Plex is already logged into or I wouldn’t be able to watch all the videos and movies on my TV via my Roku. This is a major hassle since I have to login to lastpass first and then doubleClick the plex icon again every time I want to access the dashboard from my PC. What could I have done to cause this and how can I fix it.