Firefox won't start due to bookmarks
Thank you for your help.
In order to get Firefox to start on my computer, I have to open the program multiple times (killing the process in between tries).
To troubleshoot why this is occurring I backed up my settings, created a new profile, and transferred my settings to the new profile incrementally. I figured out that the problem occurs once I transfer my bookmarks to the new profile.
I'm wondering why this is the case and how I can amend this situation without getting rid of all of my bookmarks. I have a lot of them and they are organized into folders, so it would be impossible to recreate what I have.
How did you move the bookmarks?<br />
Did you move places.sqlite or did you restore from a JSON backup?<br />
If you haven't done the latter then you can give that a try to see if it works.
* http://kb.mozillazine.org/Backing_up_and_restoring_bookmarks_-_Firefox
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firefox won't start after i import the data to google chrome.
Start Firefox in <u>[[Safe Mode]]</u> to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode
See also:
*http://kb.mozillazine.org/Browser_will_not_start_up -
Firefox won't start; no error message; profile manager also won't start. What can I do?
Suddenly, firefox won't start. I get no error message--it just won't open. System restore to a month before the problem did not help.
From the suggestions on this page: http://support.mozilla.com/en-US/kb/Firefox%20will%20not%20start... I did not recently install add-ons or clean the registry, so I think it may be a profile problem. But profile manager will not open--only a tiny window with a white rectangle and no text.
I would like to not lose all my bookmarks. And I would like to continue using Firefox.
What can I do?dmcritchie, thank you for your reply!
Before I received your response, I tried something that seems to have worked. I used Chrome to go to the Firefox website and downloaded Firefox (without uninstalling it first) and went through the installation process again. For some reason, this worked, even though I already had the latest version of Firefox, and I can now open Firefox successfully.
If it stops working again, I will try your suggestion. In the meantime, thank you much! -
Firefox won't start in any form
I have never had any real problems with firefox not starting in the past, but today I adjusted my internet settings to allow firefox to delete cookies, cache, etc whenever the program was shut down. After doing that, I went to re-open firefox and it would start up, but always "not respond". After 2 or 3 attempts of this with the same result, I restarted my computer and now Firefox will not start at all. The hour glass will pop up for a few seconds, then disappear. The firefox window will not open, but it shows up in the process' list in Win. 7's task manager.
things I have done:
Ran Malware check's using 4 different programs (malware bytes, hitman, etc)
Ran rootchecker
Ran my norten antivirus.
Everything that was found (not allot) was removed.
The Firefox window Does NOT open at all
I cannot open Firefox's "Safe" mode
Firefox will not open in Window's safe mode
I have un-installed and done a clean re-install, and the problem is still there.
Can someone please help, as I have a few hundred bookmarks I can't lose, and I hate using IE, Safari, Chrome, etc.Hello,
Please see the 'Firefox Previously Worked' section of the support article below.
[https://support.mozilla.org/en-US/kb/firefox-wont-start-find-solutions#w_firefox-previously-worked Firefox won't start] (previously worked).
You need to use the [https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles Profile Manager] to create a new profile. This should allow Firefox to open. You can then migrate your bookmarks, personal data etc across to the new profile.
I hope that helps. Please let me know if not. -
win7 Pro. has been running firefox ok. but lately with 25 and now 26, the firefox won't start. I can see firefox is running in task manager. but it just won't pop up.
if I download it again and install it, it will run, but every time I reboot the system, it just won't run again.
try: reset, safe mode, uninstall & reinstall, new/clean profile, none of those work.There may be a corrupted file on Firefox.<br>
Please attempt to perform a clean reinstall. <sup>[https://support.mozilla.org/en-US/kb/forum-response-clean-reinstall (More Details)]</sup> This is different than a regular uninstall.
If a clean reinstall does not fix the issue, please try starting your operating system in safe mode.<br>
To do so, please do the following:
#Ensure that your computer is shut down completely
#Press the power button
#Tap the <code>F8</code> key repeatedly before the Windows logo and startup screen is displayed
#Select Safe Mode With Networking for the advanced startup options list
Please report back with the results of both solutions. -
Firefox won't start, there is no error message and it is not already running.
Hi,
When I try to click on firefox, the little wait icon appears and then disappears. Nothing opens, not even safe mode. I've looked at the "Firefox won't start and there is no error message" help section and looked at my task manager processes. It seems that when I click firefox, it briefly appears on my processes and then disappears. This happened yesterday while I was in the middle of using it. At the same time, my Skype also crashed, which makes me think the two are correlated. The two programs still don't work. The only way that I can open firefox is if I install it all over again with the "launch firefox now" option checked at the end. When I have a firefox window open, I can open other firefox windows just fine. When I close it, nothing opens. Thanks for your help.1) Start Task Manager
2) Open Processes (make the description area large enough to see)
3) look for a description that says ''firefox''
4) Select it and press End Process
'''Now Firefox should work properly.''' -
Firefox update failed, so I re-installed. Now firefox won't start up at all?
''locking as a duplicate of https://support.mozilla.org/en-US/questions/969557''
So I ran firefox, and it was updating. While updating, firefox crashed for no apparent reason so I had to close it. Afterwards, every time I tried to start up firefox, it gave me the update failed error, followed by a crash less than a second later. I followed some instructions, uninstalling and re-installing firefox (without removing personal data), but now firefox won't start up at all!
Now what?We're sorry to hear that your Firefox seems to be crashing when you open it. Please perform the following steps to give us a crash report ID that helps us find out more about the cause of the crash.
#Press the following shortcut to get a Run window: [Windows] + [R]. This should bring up a window that contains a text field.
#In that text field, enter %APPDATA% and press Enter. An explorer window should open.
#From that explorer window, double-click on the ''Mozilla'' folder, then double-click on ''Firefox'' and then on ''Crash reports''. Double-click on ''submitted''.
#Now, you should see a list of files that contain reports. Go to ''View'' > ''Arrange Icons by'' > ''Modified'' to get the most recent files at the top of the window.
#Open the most recent 5 files with a text editor and copy the IDs.
#Paste each ID with '''bp-''' into the reply window on the forums.
Thanks in advance!
You can find more information and troubleshooting steps in the [[Firefox crashes]] article. -
Firefox won't start after downloading update. I've reinstalled Firefox, still won't start. Help says check virtualization settings. What and where are virtualization settings? I have Windows XP.
This might be Zone Alarm since it provides virtualization. Please try the instructions to turn off virtualization in the following support question
http://support.mozilla.com/en-US/questions/880170 -
Firefox won't start. Everytime I end the process/close the last window, it keeps getting stuck at about 2500k memory in the task manager. The only way I have to fix it is to change some kind of compability settings or try and access it in a new way, and every time it crashes/closed/computer blue screens that setting will no longer work.
That is a short term solution, but eventually I'll run out of ways to access firefox successfully. I've tried many solutions, and some worked, but only once. I have yet to find a permanent solution for this problem.First please update your plugins to make sure you are up to date. Shockwave Flash player has a newer version 16. In order to better manage the memory that Firefox uses please see these troubleshooting steps: [https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram Firefox Uses too much RAM]
You also mentioned that Firefox crashes, we're sorry to hear that Firefox is crashing. In order to assist you better, please follow the steps below to provide us crash IDs to help us learn more about your crash.
#Enter ''about:crashes'' in the Firefox address bar and press Enter. A Submitted Crash Reports list will appear, similar to the one shown below.
#Copy the '''5''' most recent Report IDs that start with '''bp-''' and then go back to your forum question and paste those IDs into the "Post a Reply" box.
''' Note:''' If a recent Report ID does not start with '''bp-''' click on it and select '''Submit'''.
(Please don't take a screenshot of your crashes, just copy and paste the IDs. The below image is just an example of what your Firefox screen should look like.)
;[[Image:aboutcrashesFx29|width=500]]
Thank you for your help!
More information and further troubleshooting steps can be found in the [[Firefox crashes - Troubleshoot, prevent and get help fixing crashes]] article. -
firefox won't start on windows 7 after upgrading to version 19 or 20. Even if it starts up I cannot do anything on it, its in not responding mode. I have tried uninstalling and installing again with both version 19 and 20. Also i tried deleting the profile and re creating a new profile.
it does not work even in windows safe mode with networking. same issue. if i wait for some time firefox comes but in not responding mode. then a pop shows up with - script: chrome//browser/content/tabbrowser.xml 2123 .
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Firefox won't start and this message keeps coming up....I uninstalled and reinstalled....but didn't help...
Exc in ev handl: Error: Error setting property on NPObject!Disable "McAfee Site Advisor" extension which was just updated to 3.4.0, which probably took it out of the addons block list.
* "Ctrl+Shift+A" > find McAfee Site Advisor and use "Disable", and then restart Firefox.
* Do a Google Search no problem
* It seems that if you re-enable Site Advisor again, and restart Firefox you are okay. At least you know where to look if you get the error again or Google searches slow down. -
Firefox won't start after windows update
After windows Updated my computer Firefox won't start. I tried a clean reinstall two times, won't work. When I tried to start the firefox the first time after booting my computer it comes with the following message.
XML Parsing Error: undefined entity
Location: chrome://mozapps/content/extensions/update.xul
Line Number 14, Column 1:
<wizard id="updateWizard"
^
Any Help would be greatly appreciated. I like firefox and I'm using it the last 7 Years.
Thanks
DKI cheated a little bit and put the issue url in a working version of firefox:
chrome://mozapps/content/extensions/update.xul
What I got was a page that looked like this below and console:
blah blah parser:
<pre><nowiki> xml-stylesheet
xml-stylesheet
<wizard id="updateWizard" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" title="Firefox Update" windowtype="Addons:Compatibility" branded="true" onload="gUpdateWizard.init();" onwizardfinish="gUpdateWizard.onWizardFinish();" onwizardcancel="return gUpdateWizard.onWizardCancel();" onclose="return gUpdateWizard.onWizardClose(event);" buttons="accept,cancel" pagestep="1" currentpageid="dummy" firstpage="true" lastpage="true">
<script type="application/javascript" src="chrome://mozapps/content/extensions/update.js"></script>
<stringbundleset id="updateSet">
<stringbundle id="brandStrings" src="chrome://branding/locale/brand.properties"></stringbundle>
<stringbundle id="updateStrings" src="chrome://mozapps/locale/extensions/update.properties"></stringbundle>
</stringbundleset>
<wizardpage id="dummy" pageid="dummy"></wizardpage>
<wizardpage id="offline" pageid="offline" next="versioninfo" label="Firefox is working offline" onpageadvanced="return gOfflinePage.onPageAdvanced();">
<description></description>
<checkbox id="toggleOffline" checked="true" label="Go online now." accesskey="G" oncommand="gOfflinePage.toggleOffline();"></checkbox>
</wizardpage>
<wizardpage id="versioninfo" pageid="versioninfo" next="mismatch" label="Checking Compatibility of Add-ons" onpageshow="gVersionInfoPage.onPageShow();">
<label>
Checking your add-ons for compatibility with this
</label>
<separator class="thin"></separator>
<progressmeter id="versioninfo.progress" mode="undetermined"></progressmeter>
<hbox align="center">
<image id="versioninfo.throbber" class="throbber"></image>
<label id="versioninfo.status" flex="1" crop="right"></label>
</hbox>
<separator></separator>
</wizardpage>
<wizardpage id="mismatch" pageid="mismatch" next="checking" label="Incompatible Add-ons" onpageshow="gMismatchPage.onPageShow();">
<label></label>
<separator class="thin"></separator>
<listbox id="mismatch.incompatible" flex="1"></listbox>
<separator class="thin"></separator>
<label>
Firefox can check if there are compatible versions…
</label>
</wizardpage>
<wizardpage id="checking" pageid="checking" next="noupdates" label="Checking for Compatible Add-ons" onpageshow="gUpdatePage.onPageShow();">
<label></label>
<separator class="thin"></separator>
<progressmeter id="checking.progress"></progressmeter>
<hbox align="center"></hbox>
</wizardpage>
<wizardpage id="noupdates" pageid="noupdates" label="No Compatible Add-ons Found" onpageshow="gNoUpdatesPage.onPageShow();">
<description></description>
<separator class="thin"></separator>
<hbox id="updateCheckErrorNotFound" class="alertBox" hidden="true" align="top"></hbox>
<separator class="thin"></separator>
<description id="noupdatesCheckEnabled" hidden="true"></description>
<vbox id="noupdatesCheckDisabled" hidden="true"></vbox>
<separator flex="1"></separator>
<label></label>
<separator class="thin"></separator>
</wizardpage>
</nowiki></pre>
I do not see much about coloum 14, but I am guessing this file is stored somewhere and its corrupt. Update.xul suggests that it is the update file. Do you still have this in your downloads folder? There are two places for update and for a clean reinstall:
[http://www.mozilla.org/en-US/firefox/new/] in a private window will give you a new install or you can choose from here: [https://www.mozilla.org/en-US/firefox/all/]
This is what the file should look like; [http://hg.mozilla.org/mozilla-central/log/7a2edc5171e6/toolkit/mozapps/extensions/content/update.xul] If you can copy and paste that file from a working browser we can see the issue, but it will just look the same as the error.
if you can replace the contents of the file locally with what it should look like it will fix the error, but who knows if there are other errors. May be best to delete the updater and save all the profile folder contents. -
Firefox won't start after update - nothing in support pages helps
windows 7 - firefox won't start after update - no support pages are relevant
-> [[Firefox will not start]]
Check and tell if its working. -
Firefox won't start up, when clicked, whereas every other browser works.
Firefox won't start up, when clicked, whereas every other browser works.
See:
*http://kb.mozillazine.org/Browser_will_not_start_up
Can you start Firefox in Safe mode?
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
You can use one of these to start Firefox in <u>Safe mode</u>:
*On Windows, hold down the Shift key while starting Firefox with a double-click on the Firefox desktop shortcut
*On Mac, hold down the Options key while starting Firefox
*Help > Restart with Add-ons Disabled
Another possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls -
Firefox won't start or uninstall using any suggested method. I want to install latest version.
Firefox has previously worked very well. Now when I try to start it I get a message "Couldn't load XPCOM" and it won't start. I have tried uninstalling it the usual way via Control Panel etc . and nothing happens. I have tried via the uninstall helper programme suggested elsewhere on your website but that won't work either.
I would like to remove the version I have (25.0) and install the new version (25.1) but when I try I get "Can not create temp folder archive".
I have tried connecting via the troubleshooting link below but I get a message "Windows cannot open this file"
I am currently persevering with Internet Explorer to contact you.
What can I do, please?Make sure that your security (anti-virus) software isn't blocking Firefox.
You can try to clear the temp folder.
Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.
Download a fresh Firefox copy and save the file to the desktop.
*Firefox 25: http://www.mozilla.org/en-US/firefox/all.html
Uninstall your current Firefox version, if possible, to cleanup the Windows registry and settings in security software.
*Do NOT remove personal data when you uninstall your current Firefox version, because all profile folders will be removed and you lose personal data like bookmarks and passwords from profiles of other Firefox versions.
Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
*(32 bit Windows) "C:\Program Files\Mozilla Firefox\"
*(64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"
*It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
*http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure that "remove personal data" is NOT selected when you uninstall Firefox.
If you keep having problems then also create a new profile.
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Profile_backup
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
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