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My firefox crashed and I re-installed it. Now it says one copy of firefox already running and the software does not open

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My firefox crashed and I re-installed it. Now when after re-installing I tried to open the application, it gives me a message that a copy of firefox is already running and you cannot open another copy of the software.

I checked and removed all firefox documents and re-installed but the same problem occurs.

My firefox crashed and I re-installed it. Now when after re-installing I tried to open the application, it gives me a message that a copy of firefox is already running and you cannot open another copy of the software. I checked and removed all firefox documents and re-installed but the same problem occurs.
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Anwendung

  • User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/603.3.8 (KHTML, like Gecko) Version/10.1.2 Safari/603.3.8

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FredMcD
  • Top 10 Contributor
4025 Lösungen 56247 Antworten
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What's your computer system and Firefox version?

Reboot the computer. Is the problem still there?

What's your computer system and Firefox version? Reboot the computer. Is the problem still there?
Hat Ihnen das weitergeholfen? 0
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Fragesteller

Mac OS X Yosemite 10.10.5

Mac OS X Yosemite 10.10.5
Hat Ihnen das weitergeholfen?
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Fragesteller

rebooted. no help. have attached a screenshot of the error

rebooted. no help. have attached a screenshot of the error
Hat Ihnen das weitergeholfen?
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FredMcD
  • Top 10 Contributor
4025 Lösungen 56247 Antworten
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From the time you booted up, describe what you did that lead up to the error message.

From the time you booted up, describe what you did that lead up to the error message.
Hat Ihnen das weitergeholfen?
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FredMcD
  • Top 10 Contributor
4025 Lösungen 56247 Antworten
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[https://support.mozilla.org/en-US/kb/firefox-already-running-not-responding "Firefox is already running but is not responding" error message - How to fix it]
Hat Ihnen das weitergeholfen?
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McCoy
  • Top 10 Contributor
353 Lösungen 3058 Antworten
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Hello dushyantchopra, Would you please take a look at this : https://www.basezap.com/cant-open-firefox-because-a-copy-of-firefox-is-already-open-mac/ And also : https://apple.stackexchange.com/questions/196771/cant-open-firefox-because-a-copy-of-firefox-is-already-open Does that help ?
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Fragesteller

I tried this, but could not find firefox running in the activity monitor.

I tried this, but could not find firefox running in the activity monitor.
Hat Ihnen das weitergeholfen?
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Fragesteller

I re-installed firefox and tried to open it. Got the same error message

I re-installed firefox and tried to open it. Got the same error message
Hat Ihnen das weitergeholfen?
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FredMcD
  • Top 10 Contributor
4025 Lösungen 56247 Antworten
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Did you do a clean install? (Removing all program folders)

Did you do a clean install? (Removing all program folders)
Hat Ihnen das weitergeholfen?
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Fragesteller

Yup I removed everything

Yup I removed everything
Hat Ihnen das weitergeholfen?
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