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Until recently Firefox worked fine. Updated to version 8.0 and now cannot close app by clicking on in upper right corner. Have to right click app and close from menu. Any fix?

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I think the first post says it all. Used to close just fine with the standard Windows X click on upper right corner. Now button depresses but nothing happens. Have to close through right-click menu which is a pain.

I think the first post says it all. Used to close just fine with the standard Windows X click on upper right corner. Now button depresses but nothing happens. Have to close through right-click menu which is a pain.

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i also have this problem, acer 5315 with alps mousepad

only seems to do it after opening certain web pages, is ok when first opened onto google page