After working fine for years, this morning lost homepage, settings and themes. Now, Firefox will not open at all.

I've had Firefox for years. This morning, my theme, homepage, and settings were gone and I could not restore them. Now I can't open Firefox at all, no matter what I try.
== This happened ==
Every time Firefox opened
== This morning

Firefox keeps that info in a separate folder called your "profile". It's possible that a new profile was created. But does your original still exist? Try starting Firefox in the profile manager to see if there are other profiles listed. See [[Managing profiles]]

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Email not opening This is a sudden thing, Email had been working fine for two months then today would not stay open now it will not open at all. after trying to open mail I receive a white screen for a nano second and the app closes

Email not opening on my iPad2 This is a sudden thing, email had been working fine since purchasing the device then today would not stay open, now it will not open at all. After trying to open mail I receive a white screen for a nano second and the app closes.

Have you tried closing the Mail app completely ? From the home screen (i.e. not with Mail 'open' on-screen) double-click the home button to bring up the taskbar, then press and hold any of the apps on the taskbar for a couple of seconds or so until they start shaking, then press the '-' in the top left of the Mail app to close it, and touch any part of the screen above the taskbar so as to stop the shaking and close the taskbar.
If that doesn't work then you could try a reset : press and hold both the sleep and home buttons for about 10 to 15 seconds (ignore the red slider), after which the Apple logo should appear - you won't lose any content, it's the iPad equivalent of a reboot.

I have the latest itunes and I use Windows and suddenly after working fine for years, itunes will not synch with OUtlook anymore. Any ideas?

I have the latest itunes and I use Windows and suddenly, after working fine for years, itunes will not synch with Outlook anymore. Any ideas?

Contact NIK for updated/upgraded versions of their plug-ins. They have been having a lot of issues with their plug-ins.

TS2518 I upgraded to Aperture 3.4 this morning, and now it will not open at all! It crashes every time, and tries rebuilding the library and repairing most times. The Library open fine in Iphoto

Every time since I upgraded this morning, attempting to open Aperture causes a crash. I upgraded to Aperture 3.4 this morning, and now it will not open at all! It crashes every time, and tries rebuilding the library and repairing most times. The Library open fine in Iphoto

If you do not have the original install DVDs, use the Aperture Trial installer instead:
Try if this download link for the trial version still works: if yes, you can unlock it with your serial number:
http://appldnld.apple.com.edgesuite.net/content.info.apple.com/Aperture/061-8328 .20101020.AprE3/ApertureTrial3.1.dmg
Regards
Léonie

TS1717 Started a software update this morning which didn't work. Now Itunes will not open at all. I get the following message."The program can't state becasue MSVCR80.dll is missing from your computer."

Started a Itunes software update this morning which didn't work. Now Itunes will not open at all. I get the following message."The program can't state becasue MSVCR80.dll is missing from your computer."

There are a couple of options that I know of to fix the issue.
One is listed in this thread - https://discussions.apple.com/message/24606478#24606478 - and involves uninstalling iTunes and related components and then re-installing iTunes. You will need to read the instructions in the thread to see the correct uninstall order.
Second option is use System Restore to set your system back to a date prior to the iTunes update. I did this before finding the thread mentioned above.
Not sure exactly what the problem is but I know, after a search, that MSVCR80.dll was indeed already installed on my computer.
Message was edited by: karivers

I updated Firefox and now it will not open at all. The hourglass shows that it's working but then nothing. I went to add/remove and removed mozilla and reinstalled it and still the same thing. It worked fine before I updated.

I updated Firefox and now it will not open at all. The hourglass shows that it's working but then nothing. I went to add/remove and removed mozilla and reinstalled it and still the same thing. It worked fine before I updated. Now I can't even remove the program at all. Why is this happening?

Start Firefox in [[Safe Mode]] 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
Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
*https://support.mozilla.com/kb/Basic+Troubleshooting#w_8-make-a-new-profile
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.
If that new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

I have firefox and after updating the other day, now it will not open at all, so I have to open the internet using the other icon thats not firefox

The icon is there but will not open at all.

Hello,
Certain Firefox problems can be solved by performing a ''Clean reinstall''. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:
'''Note:''' You might want to print these steps or view them in another browser.
#Download the latest Desktop version of Firefox from [https://www.mozilla.org mozilla.org] (or choose the download for your operating system and language from [https://www.mozilla.org/firefox/all/ this page]) and save the setup file to your computer.
#After the download finishes, close all Firefox windows (or open the Firefox menu [[Image:New Fx Menu]] and click the close button [[Image:Close 29]]).
#Delete the Firefox installation folder, which is located in one of these locations, by default:
#*'''Windows:'''
#**C:\Program Files\Mozilla Firefox
#**C:\Program Files (x86)\Mozilla Firefox
#*'''Mac:''' Delete Firefox from the Applications folder.
#*'''Linux:''' If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see [[Installing Firefox on Linux]]. If you downloaded and installed the binary package from the [http://www.mozilla.org/firefox#desktop Firefox download page], simply remove the folder ''firefox'' in your home directory.
#Now, go ahead and reinstall Firefox:
##Double-click the downloaded installation file and go through the steps of the installation wizard.
##Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.
More information about reinstalling Firefox can be found [[Troubleshoot and diagnose Firefox problems#w_5-reinstall-firefox|here]].
WARNING: Do not use a third party uninstaller as part of this process. Doing so could permanently delete your [[Profiles|Firefox profile]] data, including but not limited to, extensions, cache, cookies, bookmarks, personal settings and saved passwords. These cannot be easily recovered unless they have been backed up to an external device! See [[Back up and restore information in Firefox profiles]]. 
Please report back to say if this helped you!
Thank you.

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Try the following user tip:
Troubleshooting issues with iTunes for Windows updates

Firefox will not open at all, no message , nothing. The other browser (internet explorer) opens fine. Do I delete the old program and reinstall it? It works fine on the other two accounts on this computer.

no other details, I click on foxfire, the hourglass figure
appears for a few seconds then goes off and nothing else happens.

Try the procedures in the [[Firefox will not start]] article.

Firefox will not open at all, even after rebooting & re-installing - IE opens normally - what can I do?

I've used Firefox since version 3 - really like it compared to others.
This morning, after booting up Firefox wouldn't open. It worked when the PC was shut down last night. The eggtimer comes on briefly, then nothing. Internet Explorer works fine, as does Mailwasher (for email) and MS Outlook, so it's not an internet problem.
I'm running XP Service Pack 3 (no, really, still), with Webroot Secure Anywhere internet security.
I've tried rebooting - no effect
I've tried removing, rebooting, and reinstalling - no effect
I've tried launching it from a link within a mail message - no effect
I've tried launching it from the Start-Run line with the ~p option as in your FAQ - no effect
I've tried re-installing Adobe Flash Player, Java, Shockwave, etc..
The closest I've got to something to go on is when trying to launch a console from Webroot, when I got "Browser launch error 1073741819" - but this could be a Webroot error code.
I'm not sure what else to do - almost all your FAQ's assume you can get into the program.
The only thing I can think is that webroot removed a threat this morning, but I can't find any saved scan log as to what it was - clutching at straws, maybe that had something to do with it?
Maybe this is linked, but i'm having to write this on a different PC because the Mozilla webpages don't display properly in IE (all the other sites I can find display normally) So the installed plug-ins won't reflect what I have on the PC in question

It is possible that your security software (firewall, anti-virus) 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
*https://support.mozilla.org/kb/fix-problems-connecting-websites-after-updating

Firefox will not open at all. After click the hourglass comes up and then goes away and nothing happens at all. Nothing will load past the desktop. I cannot get into firefox at all to enable anything or disable anything.

When i click on the mozilla icon on the desktop the arrow will spin (VISTA) and will then disappear. Mozilla will not enable or even pop up or anything. I am still looking at the desktop and not mozilla. I lick on the icon many times and nothing ever enables, still stuck looking at the desktop and no Internet. Not to bring up your rival, but IE will open half way and then say not responding and will freeze and i must restart the computer every time. I have to use opera now because IE and Mozilla will not enable and Mozilla wont even pop up or enable or anything...just the desktop and no net. ONCE AGAIN MOZILLA WILL NOT ENABLE, SO I CANNOT GO TO TOOLS OR ANYTHING.

I have exactly the same issue. After FF upgraded on its own to version 5, it won't open from start menu, taskbar, desktop icon, or even by pressing firefox.exe in program files directory. It does so by pressing a link at msn messenger, inside Outlook etc.
Disabling all addons, didn't help. Moreover, I can't start FF in safe mode or start profile manager (Start > Run> firefox.exe -ProfileManager).
OS: Windows 7 64bit
Windows Event Viewer entry details:
Faulting application name: firefox.exe, version: 5.0.0.4183, time stamp: 0x4df95302
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0xc0000005
Fault offset: 0x8c724fa6
Faulting process id: 0xc0c
Faulting application start time: 0x01cc37fe2fae7e8b
Faulting application path: C:\Program Files (x86)\Mozilla Firefox\firefox.exe
Faulting module path: unknown
Report Id: 6e7f03eb-a3f1-11e0-8f4d-a4badb0238f6

Firefox will not open at all and I can't create a new profile to try that approach. What do I do to fix this?

I can not get firefox to load up. I tried unstalling it. I also went through the troubleshooting and tried to adding a new profile but I keep on getting a error when I try to load profile manager. I tried deleted all files in the mozilla firefox program folder and it let me delete all but one file. Everytime I try to open this file or deleted it, a message comes up and says the file is corrupted. What are some other suggestions to fix this?

You can do a disk check with the chkdsk.exe program.
If you run the chkdsk.exe program from a cmd.exe Command window then you can read the response from the chkdsk.exe program.
Open a cmd.exe window: 
Start > Run: cmd.exe <press Enter>
At the command prompt (>) type or Copy&Paste: chkdsk.exe /f /r <press Enter> (put a space before /f and /r)
If you get something like: Would you like to schedule this volume to be checked the next time the system restarts? y/n then answer the question with "Y" and close all programs and reboot the computer.
A possible cause is security software (firewall) that blocks or restricts Firefox without informing you about that, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox 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.
See:
* [[Server not found]]
* [[Firewalls]]
* http://kb.mozillazine.org/Browser_will_not_start_up

After Upgrading to new version Firefox will not open at all

I am running Windows 7 - 64 bit version. Firefox prompted me to upgrade to the new version, which I did. It downloaded straightaway but after I installed it the programme does not appear on screen at all. This hapenned several weeks ago so I uninstalled it and went back to an earlier version. Now I cannot work out how to do this again, so I am stuck without Firefox altogether.

I would be interested if you or someone else can tell me what the '''IEMB3''' in your User Agent string is.
If you get to the stage where Fx 6 seems to be installed, try starting it in Firefox Safe Mode - hold down the Shift Key as you double click on the Firefox icon>ignore the page that opens>Continue. If the browser opens O.K. you need to do some Troubleshooting - in Default theme -
https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes

I downloaded Firefox 25.0 for my Mac 10.6.8 and now it will not open at all, what do I do?

It shows I updated firefox to 25.0 (2).dmg
since i updated it i am no longer able to open firefox up. When I click the icon nothing happens and I have to use force quit to back out.

See if you can start Firefox in Safe Mode
*On Mac, hold down the Options key while starting Firefox
*Help > Restart with Add-ons Disabled
*https://support.mozilla.org/kb/Safe+Mode

Firefox will not open on my computer, even after reinstall. Please help?

I've been using Firefox for a long time and it's been working well. I'm on acer Windows 7. However now it will not open even when I try to run "C:\Program Files\Mozilla Firefox\firefox.exe". Chrome or Internet Explorer work fine. I also reinstalled Firefox and it still doesn't work.
Here's the id of my latest crash (from 30.4.2014): bp-4e981129-aea6-4b23-87a2-739b42140430
Thank you for any help with fixing this.

Create a new profile as a test to check if your current profile is causing the problems.
See "Creating a profile":
*https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
Profile Backup and Restore
*http://kb.mozillazine.org/Profile_backup
*https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

After working fine for years, this morning lost homepage, settings and themes. Now, Firefox will not open at all.

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