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How to stop a pop-up every time I open Thunderbird?

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  • 1 has this problem
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  • Last reply by christ1

jbscott
jbscott
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Every time I open Thunderbird I get this: Thunderbird is already running, but is not responding. To open a new window, you must first close the existing Thunderbird process, or restart your system.

Same thing happens with Firefox.

Running Ubuntu 14.04

Every time I open Thunderbird I get this: Thunderbird is already running, but is not responding. To open a new window, you must first close the existing Thunderbird process, or restart your system. Same thing happens with Firefox. Running Ubuntu 14.04

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christ1
christ1
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http://kb.mozillazine.org/Profile_in_use