Click "Clear Session Cookies" ...That fixes it every time for me. Its not the cache you need to clear but the session cookies. Once you refresh the page you will find that you are still logged in.
This issue is by no means fixed and it is about time someone did something about it.
A.A.A. experienced web developer affected by the Internet Explorer issue wanted, given that it happens only for particular conditions and I'm unable to reproduce it on any computer (so I'm unable to collect informations aimed to identify and solve it).
It's not a bug in any browser. It happens - when it happens - in most if not all browsers. This is very clear from the experiences repeatedly brought here.
Really? I have not had login / cookie problems with Firefox. Ever. It looks like the folks who posted earlier have not had problems with Chrome or Opera.
2. Go to Fórums.... wait for the token garbage.