how do I stop this annoying intrusion
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This is usually bad script by an amateur programmer that causes the website you are visiting to cause a stack overflow at line 873 in the program execution.
It can be associated by just one website, or several. It can even be caused by the site on which your internet account is located... or related to something you routinely do, thus it may be a problem relevant to only one site you visit or to which you are related in some way.
There can be other complex causes, but this is usually the most common one... just bad website programming.