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Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

Recently when I'm running Firefox (I think usually during downloads) the system will hang, but allows me to close the browser (at least it appears to close -- not showing up as running in the Windows Task Manager).

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But when I try to open Firefox again, I get this error message: 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. But I can't find any way to close Firefox. Twice, I've tried removing and reloading Firefox, but it's still happening. Any ideas how to deal with this?

But when I try to open Firefox again, I get this error message: 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. But I can't find any way to close Firefox. Twice, I've tried removing and reloading Firefox, but it's still happening. Any ideas how to deal with this?

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Open the Windows Task Manager > Processes tab and look for firefox.exe.