Damn! That is so depressing. I don't know what to do. It's not like it's any different with the other router, with me deleting the history etc., with Windows 7, with the iPad or with Mozilla/Chrome!
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Edit:
Wow, no I figured out what the issue was. How stupid is that: I use lastpass to log me in to the forums automatically and I noticed in the split second that there was no check to "stay logged in" (or whatever it says).
So I deactivated the auto-login type deal and checked that box, now everything runs fine. How embarrassing...
didn't i mention that ages ago? didn't want to ask if you had it enabled because it would have been quite embarrassing lol.