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Firefox 70.0.1 crashes on opening

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I have Firefox 70.0.1 and just recently it began to crash on opening and now will not display anything although as per the screenshot it shows 2 sessions open. The only way to close it is by Force quit. I have uninstalled and re-installed Firefox, rebooted between installs, all to no effect. Firefox was working OK up until a couple a days OK (as far as I am aware) and not sure what (if any) other 'updates' may have caused or contributed to this. I have tried to start Firefox in safe mode but no success with that either - no Firefox menu appears when trying to open Firefox. I have macOS Catalina 10.15.1.

I have Firefox 70.0.1 and just recently it began to crash on opening and now will not display anything although as per the screenshot it shows 2 sessions open. The only way to close it is by Force quit. I have uninstalled and re-installed Firefox, rebooted between installs, all to no effect. Firefox was working OK up until a couple a days OK (as far as I am aware) and not sure what (if any) other 'updates' may have caused or contributed to this. I have tried to start Firefox in safe mode but no success with that either - no Firefox menu appears when trying to open Firefox. I have macOS Catalina 10.15.1.
附加的畫面擷圖

被選擇的解決方法

Thanks FredMcD, not sure how or why but it is now apparently working. My Apple Firewall was off, but turned it on then off, checked my Trend Virus but neither of these seemed to have a trusted program of Firefox - actually had none - so re-installed Firefox and away we went. 2 windows appeared and one seems to have been a post to facebook which maybe didn't close the page correctly or something. Anyway at present all seems back on track.

從原來的回覆中察看解決方案 0
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額外的系統細節

應用程式

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36

更多資訊

FredMcD
  • Top 10 Contributor
4308 個解決方法 60484 個答案

Let's start with, Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

Let's start with, Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again; * Make sure your Internet security software is up-to-date (i.e. you are running the latest version). * Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see '''[https://support.mozilla.org/en-US/kb/configure-firewalls-so-firefox-can-access-internet Configure firewalls so that Firefox can access the Internet.]''' {web link}
這篇文章有幫助嗎?
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FredMcD
  • Top 10 Contributor
4308 個解決方法 60484 個答案

Then try, Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

Then try, [https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode] {web link} A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). Is the problem still there?
這篇文章有幫助嗎?
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選擇的解決方法

Thanks FredMcD, not sure how or why but it is now apparently working. My Apple Firewall was off, but turned it on then off, checked my Trend Virus but neither of these seemed to have a trusted program of Firefox - actually had none - so re-installed Firefox and away we went. 2 windows appeared and one seems to have been a post to facebook which maybe didn't close the page correctly or something. Anyway at present all seems back on track.

Thanks FredMcD, not sure how or why but it is now apparently working. My Apple Firewall was off, but turned it on then off, checked my Trend Virus but neither of these seemed to have a trusted program of Firefox - actually had none - so re-installed Firefox and away we went. 2 windows appeared and one seems to have been a post to facebook which maybe didn't close the page correctly or something. Anyway at present all seems back on track.
這篇文章有幫助嗎?
引用
FredMcD
  • Top 10 Contributor
4308 個解決方法 60484 個答案

I am glad to hear that your problem has been resolved. If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution.

Thank you for contacting Mozilla Support.

I am glad to hear that your problem has been resolved. If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution. Thank you for contacting Mozilla Support.
這篇文章有幫助嗎?
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