When I start Firefox, the process starts running but no browser window appears.
Recently, I tried to start up Firefox and no browser appeared. Not sure of what to do, I uninstalled Firefox and installed the latest version. I have still have the same problem. The process appears to be running in the task manager, but no browser window ever comes up. I'm running Windows 7 Ultimate (operating system is up to date minus two security updates). I believe that I installed v9.0.1. Any help would be greatly appreciated.
I have the same problem - every time I close firefox (using either the red x or by selecting file ---> exit) the program appears to close normally, but the firefox.exe *32 process continues to run. If I try to re-open firefox normally I get a message that the program is still running and I need to go into task manager and manually kill the process.
I could also kill the process from the command prompt, but both of those methods are slow and annoying. This issue has only been occurring for the last 24 hours or so; to the best of my knowledge I haven't downloaded any new software or updated any plug-ins that would have caused a switch from firefox's normal awesomeness. Norton doesn't show any new viruses or other nastiness on my computer.
I'm running 64 bit Windows 7 Home Premium edition.
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I am using FireFox 4.0.1 for Windows, and routinely check for updates. It did not do this under previous versions (not sure it is was specific to 4.0.1 or with started with 4.0) I have watched the CPU utilization when starting other applications including Thunderbird, and the high utilization by this process so far seems tied to whenever I start up the newer version of FireFox.
Start your '''Computer''' in safe mode. Then start Firefox. Try '''Safe''' web sites.
'''[http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting The Computer In Safe Mode;<br>Free Online Encyclopedia]'''
Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.
You can try these free programs to scan for malware, which work with your existing antivirus software:
* [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner]
* [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware]
* [http://support.kaspersky.com/viruses/disinfection/5350 Anti-Rootkit Utility - TDSSKiller]
* [http://general-changelog-team.fr/en/downloads/viewdownload/20-outils-de-xplode/2-adwcleaner AdwCleaner] (for more info, see this [http://www.bleepingcomputer.com/download/adwcleaner/ alternate AdwCleaner download page])
* [http://www.surfright.nl/en/hitmanpro/ Hitman Pro]
* [http://www.eset.com/us/online-scanner/ ESET Online Scanner]
[http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.
Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article.
Did this fix your problems? Please report back to us! -
for example this page (http://www.klop.nl/kloppenframeset.htm?kloppen000082.htm#8267) starts the problem: Firefox doesn't resond at all. I close Firefox wih "Taakbeheer" and when I start Firefox again all the opened windows pop-up again and the problem is the same.
After about 5 minutes I can close the windows normaly.
After I opend a few windows in 'Bachground-processes' you can see that there are at least 3 Firefox-programms runningWorks for me on Linux with the current release.
I see a lot of these warnings in the Web Console (Firefox/Tools > Web Developer) about using document.write.
<pre><nowiki>An unbalanced tree was written using document.write() causing data from the network to be reparsed. For more information https://developer.mozilla.org/en/Optimizing_Your_Pages_for_Speculative_Parsing</nowiki></pre>
I don't know if that would contribute to your issue.
The entire page source seems to be created via JavaScript:
<pre><nowiki>$mainframedoel=parent.location.search.substring(1) + location.hash;
document.write(
'<frameset rows="130,*" frameborder="NO" border="0" framespacing="0" cols="*">'+
' <frame name="topframe" scrolling="NO" src="kloppentopframe.htm" >'+
' <frameset cols="180,*" frameborder="NO" border="0" framespacing="0" rows="*">'+
' <frameset rows="180,*" frameborder="NO" border="0" framespacing="0">'+
' <frame name="lefttopframe" scrolling="AUTO" src="kloppenlefttopframe.htm" >'+
' <frame name="leftframe" scrolling="AUTO" src="kloppenleftframe.htm">'+
' </frameset>'+
' <frame name="mainframe" src="'+
$mainframedoel +'">'+
' </frameset>'+
'</frameset>')</nowiki></pre>
Clear the cache and remove cookies only from websites that cause problems.
"Clear the Cache":
*Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"
"Remove Cookies" from sites causing problems:
*Firefox/Tools > Options > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
*Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
*Do NOT click the Reset button on the Safe Mode start window
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes -
I thought it might be a compatibility issue with Windows Vista but the same problem happened on a computer with Windows 7. I'm not sure if the Windows 7 problem was resolved, though.
You probably have other problems but for a start right click on your task bar and click on Start Task Manager. In "Applications" if Firefox is shown, click on "End Task". In "Processes" if Firefox.exe is shown, click on "End Process" and ignore the warning and click"End Process" again. Wait for a few seconds then start Firefox in the usual way. There is a chance that this may solve your problems.
If not, you probably will need to do a complete uninstall and re-install. If you can't start Firefox you could try starting in Safe Mode - Hold down Shift key as you double click on the Firefox icon>ignore the page that opens>and Continue. If you've been able to open Firefox you could work through this Troubleshooting Procedure -
https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes
If at any stage you are not making progress, report back here for best advice on an Uninstall/Re-install which is quite likely to be necessary. -
the process is taking from 25000K to 75000K memory but not actually open
See "Hang at exit":
* http://kb.mozillazine.org/Firefox_hangs
* [[Firefox hangs]] -
I HAVE ALSO HAD PROBLEMS WITH VIDEOS RUNNING AFTER I CLOSE THEM I DON'T SEE THE PICTURE BUT I CAN HEAR THE VOICES.
See this: <br />
https://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit -
Firefox does not appear on screen when started from the start menu or the shortcuts, but task manager says the process is running.
No - I get the message basically saying "Can't run program while Firefox is running. Please close down Firefox & try again".
I rebooted my computer and it all works now - but that's weird it was happening before. Kinda weirded out that it happened at all.
To avoid that happening again, I still wanna know what to do to avoid it or fix it for next time. Thanks -
Are there any issues with Firefox 10 and Vista? IE works.
Hi webero,
There are no Known Issues that I am aware of. You should take a look at [[Firefox is already running but is not responding]] and our article called [https://support.mozilla.org/en-US/kb/Firefox-not-start Firefox will not start].
Hopefully this helps! -
''Duplicate post, continue here - [https://support.mozilla.com/en-US/questions/793259]''
I installed Adobe dlm add-on and now Firefox will not open. I see the process starting in Task Manager but no window opens. Unistalled Firefox then re-installed but still no luck. HELP ME! I do not want to use IE! I presume it has something to do with Adobe DLM as ever since then it is not working.I had this problem for a couple weeks as well and it was extremely frustrating considering we use firefox for all our company tasks. Here is the solution:
First of all if you have no bookmarks you want to save, then go directly to step 7. If you want to save your bookmarks first, then follow these steps.
1. Shut down the computer
2. Reboot and open firefox
3. Go to Task Manager, right click firefox.exe, and click END PROCESS TREE
4. WAIT 30 SECONDS! Then Double-click the shortcut to try and open firefox again
5.Repeat steps 3 and 4 until firefox finally opens (trust me, eventually it will)
6. Once it finally opens, backup your bookmarks,
7. Download a copy of firefox from there website
8. Uninstall from programs menu and make sure to check the box REMOVE ALL COMPONENTS
9. install the new copy and BOOM! it works
If it doesn't work, you're an idiot. If you don't want to reinstall firefox, then you're out of luck. Good Luck! -
When I start firefox, the previous tabs are there but blank and say new tab, can I restore the tabs?
When I start firefox, the previous tabs are there but blank and say new tab, can I restore the tabs?
how can I do this?I'm not sure what causes this.
As the first step, I recommend backing up your existing sessionstore files.
Open your current Firefox settings (AKA Firefox profile) folder using
Help > Troubleshooting Information > "Show Folder" button
Scroll down to the files whose names start with sessionstore. You should find at least sessionstore.js and sessionstore.bak. If the .js extension does not appear on sessionstore, you should turn off the Windows feature that hides file extensions from you, so that you can work with file names as accurately as possible. This Microsoft support article has the steps: [http://support.microsoft.com/kb/865219].
Make backup copies of all the sessionstore files to somewhere like your Documents folder for possible later restoration.
Next, try one of the data mining techniques in these posts to rescue the URLs from the sessionstore.js or sessionstore.bak file:
* Using Firefox's Browser Console (formerly known as Error Console): https://support.mozilla.org/questions/969046#answer-471950
* Using Firefox developer tool "Scratchpad": http://forums.mozillazine.org/viewtopic.php?f=38&t=622036&start=60&p=12098147#p12098147
* Using a third party website: https://firefox-session-restore.herokuapp.com/ -
My mac book pro wont start only the fan starts running when i turn it on but no display is shown on the screen
Have you tried this yet?
Intel-based Macs: Resetting the System Management Controller (SMC) - Apple Support -
Each day when I start Firefox the search language has been reset from English to Spanish. I live in Spain but only speak English.
== This happened ==
Every time Firefox opened
== Since I installed Firefox.Such details are stored in a cookie.
* You must allow that cookie: Tools > Options > Privacy > Cookies: "Exceptions"
* Make sure that you do not use [[Clear Recent History]] to clear the "Cookies" and the "Site Preferences" -
The process is running in the background. However nothing appears on the screen for you to alter your settings.
I have windows 7 64-bit and outlook 2010.
It was working, but just stopped after several months. I have un-installed and re-installed several times, to no avail.
Please help.I have sorted it now, thank you.
Re-installed older version of icloud, and then updated the software throught the apple software updater.
This re-solved the issue. -
My Mac Mini was not sending a signal to the monitor. I powered down using the power button and now it will not start. When i power up I get a strange 2 tone sound, like a warning alarm. The fan starts, and the light comes on, but no screen.
I have tried with a wired USB keyboard and mouse using a single screen. Powered up with option pressed. No change.
Reset SMCÂ no changeRun the Apple hardware test to see what it tells you. Run the extended test when prompted, which can take awhile.
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When I open Mail the fans start up and only stop when Mail closes. This began two days ago.
Previous to that I never had any problems with Mail; but Safari has been very slow on occasions. I don't know if the 2 pbs are linked.You can check for problems with the sessionstore.js and sessionstore.bak files in the Firefox Profile Folder that store session data.
Delete the sessionstore.js file and possible sessionstore-##.js files with a number and sessionstore.bak in the Firefox Profile Folder.
*Help > Troubleshooting Information > Profile Directory: Open Containing Folder
*http://kb.mozillazine.org/Profile_folder_-_Firefox
Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost, so you will have to create them again (make a note or bookmark them).
*http://kb.mozillazine.org/Multiple_profile_files_created
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