Users on PhysicsForums are experiencing frequent logouts, occurring within a range of 0.5 to 3 minutes, which disrupts posting. Suggestions include checking the "remember me" box during login, although some users report being logged out even without it. Browser choice, particularly Chrome and Safari, is mentioned, with users noting that they are logged out without clicking the logout button. Clearing cookies and cache may help resolve the issue, as some users found success after doing so. Overall, the discussion highlights ongoing frustrations with the site's login stability.