Howard,
By 'clear history' do you mean bbchecker or IE. Not too often I clear IE History (YKWIM [Wink] ) but very often I clear bbchecker history. I do it so often I had Jooel add a button! The budda bings come in a rush sometime after.

I wonder if it is caused by a delay with the board not responding and then when it's back, budda bing!
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Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.