![Firefox logo](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2020-04-14-08-36-13-8dda6f.png)
Firefox refuses to start, saying that it's already running, must restart window in the end.
This error message shows up: "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system."
Wybrane rozwiązanie
Please upgrade your browser to Firefox 8 and check
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Wybrane rozwiązanie
Please upgrade your browser to Firefox 8 and check