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An updated version of Firefox is available to address the issues with Add-ons disabled or fail to install on Firefox. You can download the update for your OS here: https://www.mozilla.org/firefox/new/ For Known Issues and Workarounds, please check out the update at https://support.mozilla.org/kb/add-ons-disabled-or-fail-to-install-firefox

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cant logon to gmail press next button nothing happens. In some sites the videos dont play. Everything is working in Private window

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https://www.star.gr/tv/shows/masterchef/ in normal mode i can see the thumbnail of the videos but there is no play button and when clicking on it nothing happens. At gmail logon page i can enter my mail but when i click on next the button shows its been clicked but it doesnt redirect me to enter my password. I deleted all history cookies etc disabled hardware acceleration but nothing changed. What is making me go crazy is that in Private mode everything works fine. So i changed the configurations with content blocking in the options, no change, same thing. What else is different from normal to private browsing apart from content/tracking and my chosen site options witch from reseting from history should come clean. Thanks in advance.

https://www.star.gr/tv/shows/masterchef/ in normal mode i can see the thumbnail of the videos but there is no play button and when clicking on it nothing happens. At gmail logon page i can enter my mail but when i click on next the button shows its been clicked but it doesnt redirect me to enter my password. I deleted all history cookies etc disabled hardware acceleration but nothing changed. What is making me go crazy is that in Private mode everything works fine. So i changed the configurations with content blocking in the options, no change, same thing. What else is different from normal to private browsing apart from content/tracking and my chosen site options witch from reseting from history should come clean. Thanks in advance.
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  • User Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0

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Wesley Branton
  • Top 25 Contributor
515 個解決方法 4529 個答案

Try Firefox Safe Mode to see if the problem goes away. Firefox Safe Mode is a troubleshooting mode that temporarily turns off hardware acceleration, resets some settings, and disables add-ons (extensions and themes).

If Firefox is open, you can restart in Firefox Safe Mode from the Help menu:

  • Click the menu button New Fx Menu , click Help Help-29 and select Restart with Add-ons Disabled.

If Firefox is not running, you can start Firefox in Safe Mode as follows:

  • On Windows: Hold the Shift key when you open the Firefox desktop or Start menu shortcut.
  • On Mac: Hold the option key while starting Firefox.
  • On Linux: Quit Firefox, go to your Terminal and run firefox -safe-mode
    (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)

When the Firefox Safe Mode window appears, select "Start in Safe Mode".

SafeMode-Fx35

If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, theme, or hardware acceleration. Please follow the steps in the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article to find the cause.

To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.

When you figure out what's causing your issues, please let us know. It might help others with the same problem.

'''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that temporarily turns off hardware acceleration, resets some settings, and disables add-ons (extensions and themes). '''If Firefox is open,''' you can restart in Firefox Safe Mode from the Help menu: * Click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''. '''If Firefox is not running,''' you can start Firefox in Safe Mode as follows: * On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut. * On Mac: Hold the '''option''' key while starting Firefox. * On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' <br>(you may need to specify the Firefox installation path e.g. /usr/lib/firefox) When the Firefox Safe Mode window appears, select "Start in Safe Mode". ;[[Image:SafeMode-Fx35]] '''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, theme, or hardware acceleration. Please follow the steps in the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause. ''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.'' When you figure out what's causing your issues, please let us know. It might help others with the same problem.
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提出問題者

Thank you very much for your quick reply. In safe mode the problem still exists. In safe mode private window it's working. Nice puzzle.

Thank you very much for your quick reply. In safe mode the problem still exists. In safe mode private window it's working. Nice puzzle.
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cor-el
  • Top 10 Contributor
  • Moderator
17094 個解決方法 154388 個答案

Are you using content blocking extensions that might behave differently in Private Browsing mode?

A major difference between a regular window and a private window is that the private window doesn't use the disk cache and use a separate cookie jar and cookies used in the regular window can't be accessed.

You can remove all data stored in Firefox from a specific domain via "Forget About This Site" in the right-click context menu of an history entry ("History -> Show All History" or "View -> Sidebar -> History").

Using "Forget About This Site" will remove all data stored in Firefox from this domain like history and cookies and passwords and exceptions and cache, so be cautious. If you have a password or other data from that domain that you do not want to lose then make sure to backup this data or make a note.

You can't recover from this 'forget' unless you have a backup of involved files.

If you revisit a 'forgotten' website then data from that website will be saved once again.

Are you using content blocking extensions that might behave differently in Private Browsing mode? A major difference between a regular window and a private window is that the private window doesn't use the disk cache and use a separate cookie jar and cookies used in the regular window can't be accessed. You can remove all data stored in Firefox from a specific domain via "Forget About This Site" in the right-click context menu of an history entry ("History -> Show All History" or "View -> Sidebar -> History"). Using "Forget About This Site" will remove all data stored in Firefox from this domain like history and cookies and passwords and exceptions and cache, so be cautious. If you have a password or other data from that domain that you do not want to lose then make sure to backup this data or make a note. You can't recover from this 'forget' unless you have a backup of involved files. If you revisit a 'forgotten' website then data from that website will be saved once again. *https://support.mozilla.org/en-US/kb/delete-browsing-search-download-history-firefox
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