Upgraded and now firefox will not open.

I have upgraded to Firefox 7 and now I keep getting amessage that says that Firefox is having trouble restoring windows and tabs. I have shut down everything and restarted, but still get the same message.

What happens when you try to start Firefox?
Some things that might be relevant depending on the answer...
Sometimes Firefox will "hang" during startup. The process is in memory but stops working. In that case, you may need to use the Windows Task Manager to "kill" the process.
* You can launch the Windows task manager by pressing Ctrl+Shift+Esc.
* First check the Applications tab, then check the Processes tab (look for firefox.exe).
* You can select the stalled item and use the End Task or End Process button. Note that if Firefox actually were in use, this could cause data loss, but since it's not yet displayed, this should be okay.
Sometimes a program-control firewall will block an upgraded Firefox as possibly being modified by malware. In these cases, it may help to clear any references to Firefox from the firewall and have it redetect the application when you try to start it.

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I was told I had to upgrade Firefox to 4.0, downloaded the dmg, launched it and now Firefox will not open at all.

I was told I had to upgrade Firefox to 4.0, downloaded the dmg, launched it and now Firefox will not open at all. It tells me "The operation can't be completed because you don't have permission to access some of the items." Also, that "Firefox cannot be opened because of a problem." And it give a bunch of code. This is my main browser. What is happening here? My OS X is 10.6.7. Has this caused a problem?

If you right-click on your Photoshope.exe, select Properties, there should be a Compatibility tab. There you can select Windows XP, Windows 2000, Winows 98 or 95. One of these should allow you to open Photoshop 6, unless you mean CS6.

I installed 4.0 and now firefox will not open, though it is running, I have uninstalled and re-installed and it still will not open?

I installed 4.0 and now firefox will not open, though it is running, I have uninstalled and re-installed and it still will not open. Not sure why this is happening

If you use ZoneAlarm Extreme Security then try to disable Virtualization.
*http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
See also:
*[[/questions/880050]]

I downloaded the new iphoto and the upgrade and now iphoto will not open correctly anymore. please help

I downloaded the new iphoto and the upgrade and now iphoto will not open correctly anymore. it stays on the opening screen and the message
shows up that I must update the mediathek. If I click on update the program shuts down. How can I fix this?

I downloaded the new iphoto and the upgrade
Does that mean, you are running iPhoto 9.6 on MacOS X 10.10.1 Yosemite? Or are you using an older MacOS X? "New" iPhoto is relative and depends on your system.
If I click on update the program shuts down. How can I fix this?
Does "shut down" mean it crashes? Then post please the error log from the error panel here - copy and paste the report into your next answer (the first 50 lines should suffice)
Where is your iPhoto Library (Mediathek) stored? Have you moved it to an external drive, or is it still in your Pictures folder (the order "Bilder")?

I upgraded from 3.6.13 to Beta 4.0 and now Firefox will not open at all I tried to uninstall to start again but it will not uninstall either it does nothing.

I uninstalled Beta 4 and re-installed 3.6.13 now Firefox will not open at all I tried to uninstall to start again but it will not uninstall either it does nothing, I have been using Firefox for a long time but cannot resolve this problem can anyone help and give me a solution please. As I use Firefox as my web browser it is very frustrating.
The fact it will not uninstall appears to be something completely new as nobody I know who uses Firefox has ever encountered this in the past.

Did you check your security software (firewall)?
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]] and [[Firewalls]] and http://kb.mozillazine.org/Firewalls
If necessary then also see:
* http://kb.mozillazine.org/Browser_will_not_start_up
* http://kb.mozillazine.org/Error_loading_websites

Updated to android 2.3 on my htc evo 4g and now firefox will not open any tabs?

I've been using Firefox 4 since first few weeks of release and all was great with Android 2.2 on my htc evo 4g. Now updated to 2.3 this past weekend and Firefox will not open any tabs. Have resorted to using stock Dolphin... :(
I miss Firefox. What is the fix?

If you use ZoneAlarm Extreme Security then try to disable Virtualization.
*http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
See also:
*[[/questions/880050]]

I upgraded and now it will not open

I upgraded my iphoto and now I can not open it. It told me to upgrade using the iphoto library upgrader, I did and still not working..

With the amount of information you've provided it's impossible to offer a potential solution. We can't see your computer so we need to know the details of your problem and setup, i.e.:
what version of iPhoto are you using?
what system version are you running?
what do you see when iPhoto opens?
what fixes have you tried?
where is your library located?
did you apply any updates or upgrades just prior to the problem occurring?
are you running a "managed" or "referenced" library?
what type of Mac?
how much free space on your boot drive?
OT

I just upgraded and now Firefox will not even open!!

Can I go back to a previous version

What happens when you try to start Firefox?
Some things that might be relevant depending on the answer...
Sometimes Firefox will "hang" during startup. The process is in memory but stops working. In that case, you may need to use the Windows Task Manager to "kill" the process.
* You can launch the Windows task manager by pressing Ctrl+Shift+Esc.
* First check the Applications tab, then check the Processes tab (look for firefox.exe).
* You can select the stalled item and use the End Task or End Process button. Note that if Firefox actually were in use, this could cause data loss, but since it's not yet displayed, this should be okay.
Sometimes a program-control firewall will block an upgraded Firefox as possibly being modified by malware. In these cases, it may help to clear any references to Firefox from the firewall and have it redetect the application when you try to start it.

I Updated to 8.0 and now firefox will not open and I receive an Error message stating that 7.0.1 is not compatible with Min version 8.0 and max version 8.0. What can I do now?

I tried uninstalling 7.0.1 and reinstalling it and still it would not update and problems such as losing my bookmarks, and it having different tool bars and add ons each time I opened it. I lost so many bookmarks and it became so frustrating that I decided to try and upgrade to see if that would overcome the problems. And now I have this problem. When I did a search on my hard drive to see how many firefox components there were I found firefox related files and documents all over the place and wondered if I should just delete anything related to firefox to clean any residual files that might be causing problems and then start a clean download, but I didn't want to delete files in windows and wasn't sure what I should delete and what I should leave. Can anyone help?? I miss my firefox and wish that I had never upgraded to 7.0.1 .

If you use ZoneAlarm Extreme Security then try to disable Virtualization.
*http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
See also:
*[[/questions/880050]]

When I clicked on Firefox, the update bar started but when it stopped Firfox would not open. The blue screen of death popped up and said something about a new installation. We restarted the computer and now Firefox will not open. Help!

When I clicked to open Firefox the update bar appeared and an update loaded. Usually when this happens Firefox will open up when the update is finished. This time it did not open. when I clicked on the icon again the blue screen opened and said something about a new installation and if this was the first time you have seen this screen restart your computer and try again. I restarted the computer and when I clicked on the Firefox icon the "hour glass" would appear like it was trying to open but it never would open. I don't know what else to do.

See below -- the way I asked the question the first time may not be clear. This post was a goof but I can't figure out how to delete it

I updated, and now Firefox will not open at all on my computer. Tried numerous times to turn computer off and then on again. Everything else is closed.

I updated as I was asked. The computer was on for a while and then turned off. Now, it won't open firefox at all. A big red 'x' and an error message pops up. Message says: The procedure entry point XRE_GetFileFromPath could not be located in the dynamic link library xul. dll.
I can open an old internet explorer, but then I can't respond to your e-mails for confirmation as they must go thru the mozilla browser. I AM CONTACTING YOU THROUGH MY HUSBANDS COMPUTER.... NOT MINE CUZ I CAN'T RESPOND TO YOUR LINKS....
This is very frustrating. I just want my old browser and bookmarks back! Please help.

When resetting the iPod to factory defaults/new iPod fails to resolve a problem, the problem is likely due to a a hardware problem. An appointment at the Genius Bar of an Apple store is then in order.

Installed Adobe dlm add-on and now Firfox 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!

''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!

Performed update to 3.6.6, and now it will not open on Mac OS 10.6.4

I performed the update to 3.6.6, and now Firefox will not open on Mac OS 10.6.4. I hope I haven't lost all my bookmarks, etc.
== This happened ==
Every time Firefox opened
== after the update to 3.6.6

Using your link, I downloaded the new version. When I dragged the Firefox icon into the applications folder, it asked if I wanted the new version to replace the existing one, and I said yes. I was then told that it couldn't be done because I had insufficient privileges for some items. Is the reason for this that I didn't trash the old version BEFORE dragging the new one into the applications folder (under the assumption that "replace" meant that the old version was trashed as the new one was installed)? If not, it appears that I am back to the same problem I've had before.
Since I'll be replacing this computer soon, it seems too troublesome to bother with this update. I'd just like the update reminders to go away!

I am on windows 7 and I upgraded to 10.0.2 and now it will not open. I have removed firefox completely and uploaded it again and that did not work. So my latest attempt I removed firefox 10 again and uploaded the beta version and once again nothing.

I am on windows 7 and I upgraded to the newest verison of firefox and now it will not open. I have removed firefox completely and uploaded it again and that did not work. I then made sure it could get through my firewall and that did not work. So my latest attempt I removed firefox 10 again and uploaded the beta version hoping that would do it and once again nothing. It will not open at all. Please help - is there a live chat or a number to talk to someone at Firefox?

I think when uninstalling you may also have to choose (tick) to delete the preferences and other personal data like the bookmarks, stored passwords etc. to erase completely. If you are installing afresh, please try right-clicking on the file and '''Run as administrator''' to install. And when uninstalling, please also make sure choose to delete all data and also manually delete any '''Mozilla''', '''Mozilla Firefox''' or '''Firefox''' from %appdata%, %localappdata% and %programfiles%. You can open a location by typing for eg. %appdata% in the '''Run''' box (Windows key + R). You may also have to check the '''VirtualStore''' folder in %localappdata%. Files in the VirtualStore can be problematic. I think a clean installation may help.
[https://www.mozilla.org/en-US/firefox/new/ Firefox]
[http://kb.mozillazine.org/Installation_directory Installation Folder]
[http://kb.mozillazine.org/Profile_folder Profile Folder]
Please note that using system restore would usually damage the Firefox installation.

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 <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
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

Upgraded and now firefox will not open.

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