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Firefox 70.0.1 crashes on opening

  • 4 回覆
  • 1 有這個問題
  • 5 次檢視
  • 最近回覆由 FredMcD

abes1
abes1
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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

所有回覆 (4)

FredMcD
FredMcD
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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}

FredMcD
FredMcD
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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?

abes1
abes1 提出問題者
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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.

FredMcD
FredMcD
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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.