What are the "layer-xxx" items that appear as open windows in the Window menu bar on Firefox for Mac?
I am using Firefox with Mac OS X 10.5.8 and I noticed that when I look under the Window menu in Mac menu bar on top, it not only lists all the browser windows, bookmarks library, add-ons manager etc. that I may have open but it frequently shows something like "layer-311930" in the list, as if it was an open (apparently invisible) window. Sometimes more than one of these mysterious "layer-xxxxxx" windows show up under the Window menu. What are they? Is it associated with an add-on or something in FIrefox itself. Thanks for your help.
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That may be plugin-container processes.
See http://kb.mozillazine.org/Plugin-container_and_out-of-process_plugins
Thanks for your response. However, I see no mention of "layer-xxxxxx" appearing in the Window menu on the Mac menu bar in Firefox and that link says it only applies to Windows and Linux. May I ask what led you to that theory? Thanks...
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