Windows 10, Firefox browser. I log in, click on a thread and when I check to like a post it tells me not logged in. Matter of fact was logged in, clicked forum tools, post new thread to post this and it told me I'm not logged in. So filled in the log in info there to post this. Have noticed if I check the remember me box when logging in it seems to work ok. But I've never had to do this in the past.

Easiest to just check the box. Manually log out when done if you want or are on a public computer.