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Every time I try to open Firefox I get a popup saying it is already open, and to close it or restart; but it is NOT open, and restarting doesn't help.

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Locking duplicate thread.
Please continue here: [/questions/880054]

Question Every time I try to open Firefox I get a popup saying it is already open, and to close it or restart; but it is NOT open, and restarting doesn't he

<blockquote>Locking duplicate thread.<br> Please continue here: [[/questions/880054]]</blockquote> Question Every time I try to open Firefox I get a popup saying it is already open, and to close it or restart; but it is NOT open, and restarting doesn't he

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Duplicate Thread LOCK please