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Why does Firefox keep defaulting to its own settings?

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Every few days now, I open my browser to find a black screen and I have to reset all my own preferences again, untick 'highlights' and 'tips' re-tick restore previous session/top sites - everything. I've uninstalled firefox and reinstalled it, removed the user data files and cache but it won't stop doing it - it's exasperating. Is there something I haven't ticked or unticked that is making this do this all the time please? I'm not a techy, so be gentle...

Every few days now, I open my browser to find a black screen and I have to reset all my own preferences again, untick 'highlights' and 'tips' re-tick restore previous session/top sites - everything. I've uninstalled firefox and reinstalled it, removed the user data files and cache but it won't stop doing it - it's exasperating. Is there something I haven't ticked or unticked that is making this do this all the time please? I'm not a techy, so be gentle...
附加的畫面擷圖

被選擇的解決方法

Thank you Tyler. I will do that and wait a few days to see if it does it again.

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

已安裝的外掛程式

  • Shockwave Flash 32.0 r0

應用程式

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

更多資訊

Tyler Downer
  • Top 25 Contributor
  • Moderator
1530 個解決方法 10669 個答案

有幫助的回覆

Please update to Firefox 68, and let me know if you still see this issue.

Please update to Firefox 68, and let me know if you still see this issue.
這篇文章有幫助嗎? 1
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選擇的解決方法

Thank you Tyler. I will do that and wait a few days to see if it does it again.

Thank you Tyler. I will do that and wait a few days to see if it does it again.
這篇文章有幫助嗎?
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cor-el
  • Top 10 Contributor
  • Moderator
17470 個解決方法 157890 個答案

有幫助的回覆

If you lost personal data then it is possible that a new default-release profile folder has been created. See "Determine if Firefox has created a new profile":

You can open the about:profiles page via the location bar to check whether multiple profiles are present and what profile Firefox currently is using.


If you lost personal data then it is possible that a new default-release profile folder has been created. See "Determine if Firefox has created a new profile": *https://support.mozilla.org/en-US/kb/recover-lost-or-missing-bookmarks You can open the <b>about:profiles</b> page via the location bar to check whether multiple profiles are present and what profile Firefox currently is using. *Do NOT click any Remove button on this page. *https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles ---- *https://support.mozilla.org/en-US/kb/dedicated-profiles-firefox-installation
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提出問題者

Thank you Cor-el. I shall wait and see if Tyler's suggestion works but if not, I shall do as you suggest.

Thank you Cor-el. I shall wait and see if Tyler's suggestion works but if not, I shall do as you suggest.
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