Mr. C!That link logs me out instantly, on two different computers (the same two that won't stay logged)
You are using a dial-up connection, which gives you a dynamic IP-address (408 this far). Your session data can be lost if you switch in the forum. The gallery is part of the forum, not a separate module (as it was formerly), so that is not the problem.
What I mean is that it's a technical issue.