Solve : keep getting error message every time I open a browser?

1.	Solve : keep getting error message every time I open a browser?
Answer» an error message as follows keeps coming up when I open a browser: TypeError:overlay[0] has no properties on line 149: on file: chrome//mypoints/content/xpcom/xuLEngine.js have not idea what this means and have search all data bases that I can think of. my system is FAIRLY new, Windows Vista. I am thinking that it may be a file somewhere that I have overlooked but cannot find it using the search on this new vista...(LOVED xp..vista is not what i EXPECTED). I assume, it's FIREFOX, right? Do you USE "My Points": http://www.mypoints.com/emp/u/index.vm ? Did you install any Firefox extension fro the above site?

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