Firefox does not; reinstalling doesn't fix it

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• Firefox does not copy, will not stick. How can I fix it?

  Firefox does not copy itself in the menu dropdown. Will not accept paste material copied Mac email, password, Safari. Without copy and paste, the browser is USELESS.

  How can I fix it?

  Problem solved with 44.0.2. All right, thank you.

• Firefox does not save bookmarks. I have reset Firefox and reinstalled.

  Firefox does not save bookmarks. I have reset Firefox and reinstalled.

  You can check for problems with the database places.sqlite file in the Firefox profile folder.

  • http://KB.mozillazine.org/Bookmarks_history_and_toolbar_buttons_not_working_-_Firefox
  • https://support.Mozilla.org/KB/bookmarks+not+saved#w_fix-the-bookmarks-file
  • Maintenance: https://addons.mozilla.org/firefox/addon/places-maintenance/

• After that restart of firefox does not start. is running in the Task Manager, but won't pop up. Reset safe mode and uninstall/reinstall won't help. OK so no reset.

  Win7 Pro. has worked ok firefox. but lately with 25 and 26 now, firefox does not start. I see that firefox is running in the Task Manager. but it will not just appear.
  If I still download and install it, it runs, but every time I restarted the system, it just does not work yet.
  Reset try:, safe mode, uninstall & reinstall, new/clean profile none of these work.

  
  

• On another PC I want to save my favorites, but my browser Firefox does not work how can I make the backup, before I reinstall Firefox

  On another PC I want to save my favorites, but my browser Firefox does not work how can I make the backup, before I reinstall Firefox.
  Firefox cannot renew its tabs and now won't run and let me do a backup

  This may be considered to be solve my problem.
  I decided to uninstall the rogue program Firefox download and reinstall the same version (No. 8). I used Windows XP Add Remove programs who asked if I wanted to save the settings of Firefox until I uninstalled Firefox. I said yes and operated with the uninstall. I couldn't find a Firefox 8 so I went for the 12 version and installed on the laptop. This version 12 now works with all the passwords one favorite of the uninstalled 8.
  Thank you for all your help and advice.

• I love FireFox, but - I want my own choice of home page and FireFox does not allow this. Please advise on how to fix! Much Appreicated!

  FireFox does not allow this.
  
  Please advise on how to fix!
  Much Appreicated!
  Note: I have already followed and repeated the instructions as to the time the problem fixed, but obviously it is not allow me access to the home page of my choice!

  What page is coming as your home page now?

• Firefox does not display some things, for example the box for this text, but only on a logon - how to fix?

  Firefox does not appear certain things. For example, the area around the text, the above options (bold, italic, type inserting a link - I can see what they are just by moving the mouse pointer in the approximate area and reading the small text that appears). Other things, that it does not appear - the word 'Google' when I opened the page of search engine, icons in eBay. On eBay, when I log in, the words "sign in" appear as 2 different fonts superimposed on one another, both in black. In Internet Explorer, it appears as white text on a blue background and is quite readable. Now that this description has reached the length where the scroll box is needed, the scroll box appeared, but there is still no box around the text. Underneath, there is a box to a drop down menu ("what happened"), but not for "began when this" or "troubleshooting information. I don't know where to put the cursor to find these areas because it turns into a bar I when I'm in the right place. The really funny thing is: only, it has that way about my logon - works of fine wife! (Work that one!) It all started when I was running version 3.8.5 (I think it was). I downloaded version 4 hoping he could solve the problem, but it didn't. I uninstalled and reinstalled, but the problem is still there. I have several months now (I think - at least 2 months) while the computer was turned off and rebooted several times, without effect.

  Looks like a broken profile. Back up your bookmarks, create a new profile , and then import your bookmarks back in. Let me know if you need additional assistance.

  Thank you!
  handsomeorlandoman

• I don't have a navigation bar and firefox does not open in safe mode to return to the default configuration. Does not work reinstall. Any help please.

  I have no navigation bar since I closed it to have more space on the screen. It will not re - open. Firefox does not open in safe mode, but immediately opens in normal mode with the new configuration incorrect, so I can't reset to default configuration. I deleted Firefox and re-installed and it always opens with the same faulty configuration. Why doesn't Firefox give me the safe mode dialog box, why can I not re - open the navigation bar, and how I can do those two things, please? Firefox is currently unusable for me without a navigation bar with no access to the default settings in safe mode. I can't search the extensions that I use since I have no navigation bar to go to tools, modules, Extensions.

  This has happened

  Each time Firefox opened

  I closed the navigation bar to make more space on the screen and I could not re - open.

  User Agent

  Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB6.4; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729 .NET CLR 3.0.30729; Media Center PC 6.0)

  Press the Alt key to display the Menu bar, then open view > toolbars and select menu bar and the bar of Navigation, so that they have a check mark.

• Firefox does not open links when I click on them! How can I fix?

  When I click on a web page and links to something, Firefox does not open them. No matter what page I'm on.

  You have this problem when running in Firefox SafeMode?
  
  http://support.Mozilla.com/en-us/KB/safe+mode
  
  Do not choose anything at the moment, just use 'continue in safe mode.

  If this is not the case, see this:
  
  http://support.Mozilla.com/en-us/KB/troubleshooting+extensions+and+theme...

• Firefox does not start - claims that it is already open

  Firefox does not start. He claims to be already running, but that doesn't seem to be the case.

  I tried to create a new user profile, but when I try to open Firefox now, the menu "choose user profile". I tried the new profile and they old, and both give the same error message. "Firefox is unable to use the"Default user"profile because it is in use. To continue, close the Runspace of Firefox or choose a different profile. »

  There is an entry for firefox.exe in the menu of "details" to my task manager and nowhere else. When I try to put an end to this task, I get the following error: "the operation could not be performed - access denied."

  Due to some troubleshooting research, I tried to delete the parent.lock my profile folder, but I get this error: "the action cannot be completed because the file is opened in Firefox."

  I tried to transfer my bookmarks and preferences from Firefox to Chrome, but I had a similar error suggesting that Firefox was already open and I have to close first.

  I also turned off my computer and uninstalled and reinstalled Firefox several times.

  I'd really rather not lose all my bookmarks Firefox, modules, and preferences. I also prefer to use Firefox for Chrome, so if anyone can help me I would really appreciate it. I don't know what else to try.

  My PC runs Windows 10, incidentally.

  Try to delete the parent.lock file in the Firefox profile folder.

  • C:\Users\ < user > < profile > \AppData\Roaming\Mozilla\Firefox\Profiles\.
  • http://KB.mozillazine.org/Profile_folder_-_Firefox

  See:

  • http://KB.mozillazine.org/Profile_in_use
  • https://support.Mozilla.org/KB/Firefox+is+already+running+but+is+not+responding

  What security software do you have?

  Try to create a new shortcut on the desktop Firefox and maybe to reinstall Firefox via a clean reinstall (i.e. remove the Firefox program folder).

  If you cannot remove the Firefox program folder and then try to rename this file to "Mozilla Firefox.old".

  • (Windows 64 bit) "C:\Program Files (x 86) \Mozilla.
  • (32-bit Windows) "C:\Program Files\Mozilla Firefox\"

  Start the computer in Mode safe mode with network support Windows (on the startup screen, press F8) to see if that helps.

  • http://www.bleepingcomputer.com/tutorials/how-to-start-Windows-in-safe-mode/
  • http://www.7tutorials.com/4-ways-boot-safe-mode-Windows-10

• Firefox does not open. Keep saying the profile is missing. There is no profile of AppData\Roaming\Mozilla\Firefox\

  I'm on Windows 7 OS.
  I read a lot of similar and related problems anywhere as my own, but none of them has a solution that works.

  I get the error message saying "unable to load your Firefox profile. It may be missing or inaccessible.

  I checked Windows: %AppData%\Mozilla\Firefox\
  C:\Users\ < user > \AppData\Roaming\Mozilla\Firefox\

  Only thing it is a folder called Firefox and in that one a file called crash report.

  There is no not called "profiles.ini" file so I have no way to access the Profile Manager and uninstall + remove manually all related Firefox folders/files and reinstall Firefox does not solve my problem.

  I have no idea what to do to get out of here to go to solve this problem or difficulty why Firefox doesn't work anymore even when the reinstalled.

  Have you tried to rename the Mozilla folder?

  Also try to delete the folder to the location of the cache in AppData\Local.

  • C:\Users\ < user > \AppData\Local\Mozilla\Firefox\Profiles\

• Firefox does not recreate or modify prefs.js

  After you delete prefs.js file Firefox does not create a new.

  Firefox does not save my settings so I tried all the method described in the following articles:

  https://support.Mozilla.org/en-us/KB/how-to-fix-preferences-wont-save
  https://support.Mozilla.org/en-us/KB/how-to-fix-preferences-wont-save#w_unable-to-save-any-preferences-or-settings

  Finally, I completely uninstalled FF, remove the installation of FF directory and moved my old profile.
  FF reinstalling did not help in any way.
  After the reinstallation, the preferences have been saved always not so I deleted the file profs.js.
  When I run Firefox it does not create a new file profs.js and of course my setting are not always saved

  What can I do? change?
  I would fix rather than install chrome rather...

  
  

• Firefox does not not on Windows 8.1 after update to 32.0

  For the last three versions 30.0 and 31.0 32.0 Firefox does not work after update on my laptop Windows 8.1. I tried Firefox reset State by default, uninstall and reinstall and reset my TCP/IP stack (which usually fixes the problem). I also went to Internet Options in IE 11 and unchecked the auto detect settings in the options of LAN connection and then checked again without success. I also have Chrome installed on my machine to check to see if it is in the browser or my internet connection.

  Internet Explorer 11 is the only browser that works so something seems to be wrong in Firefox.

  I discovered that my Norton Internet Security firewall blocking the new version of the program. Chrome has recently developed automatic updated also and I think too, it was blocked.

• Firefox does not open or does not (see/questions/964132)

  was Ok until recently

  Please include more information, such as your operating system (Windows?) and the version, more exactly what is happening when you try to start Firefox. The information provided in a recent Firefox crash report, if any, can also help. See Firefox plant - troubleshoot and prevent assistance fixing crashes under help in setting this crash and post any crash report IDs recently (they start with bp - )

  The title of your question, says "Firefox does not open or does not (see/questions/964132)" I have reviewed this issue and it was launched by another user of Firefox. /questions/964132? page = 2 # 477049 answer has a number of suggestions if Firefox does not start. Which have you tried?

  To see other possible solutions

  • Troubleshoot and diagnose problems in Firefox
  • http://KB.mozillazine.org/Browser_will_not_start_up
  • / issues/958850 Firefox does not open after a reboot

  Note: A "clean and reinstall" was one of the suggestions/issues/964132. This means remove the Firefox application and then files by reinstalling Firefox since a new download, as explained at the stage of "Reinstall Firefox" in troubleshoot and diagnose problems in Firefox. So that allows you to start Firefox, but if the problem comes back after the computer restarts, you should make another "clean reinstall" and then resolve your plugins by disabling all, as suggested by the troubleshoot and diagnose problems of Firefox article.

• Firefox does not trust, a particular secure Web site I know is course trust but other secure Web sites

  Firefox does not trust, a specific secure Web site I know is safe, but there is no trust other Web sites secure. In addition, Internet Explorer trusted this website and Firefox on another computer trusts of the same site. When I try to connect Firefox tells me it doesn't have a valid certificate (even though I know there is one) and I have to make an exception for you connect. Is it possible that I can fix this and get the appropriate in this particular program of Firefox certificate?

  Be sure to select "All Files" and not "text files" type when you save the file in Notepad (text files add a hidden .txt file extension).