Firefox Window Will not Open on iMac

When, I open firefox the options menu loads in the tool bar at the top of the screen, but is grayed out. Also, the main window does not open. I can access some options from the tool bar, but the browser window never opens. See screenshot - http://screencast.com/t/suM5Sso7keZ

Have you tried Firefox safe mode? It could be an extension reponsible.
If not, you could try moving the profile to another location, such as the desktop and then starting up Firefox so that it has to make a new profile. See if that works. If so, it could be something in the profile that is damaged, such as the localstore.rdf file.
* https://support.mozilla.org/kb/Recovering+important+data+from+an+old+profile

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Firefox Window will not open/pop up, I only get a load/hourglass icon

Firefox window will not open (at all) I simply get a load signal and then it stops.
I have attempted a reinstall and it did not solve it (downloaded a torrent)
Other programs work, I have msn so internet works as well
I've tried restarts and resets of modem as well as tried using in safe mode and did a virous scan, as well I turned off my firewall to see if it was for some reason blocking the program, same results... consitering doing a computer wipe :(
Just got internet explorer to run (without add ons) it was not work before as well (but at least the window popped up, it was just having a "not responding"
any suggestions?
== This happened ==
Every time Firefox opened
== about 3 days ago, I have not done anything out of the ordanary ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; OfficeLiveConnector.1.5; OfficeLivePatch.1.3; .NET4.0C)

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Firefox window will not open - firefox.exe closes by itself

Hello,
I have a problem with Firefox not being able to start when I double-click the icon on my desktop. I'm not sure what version I was using before, but I uninstalled whatever version I had before and installed the latest version (14.0.1), with no effect.
I can see that when I try to open Firefox, the firefox.exe process will stay open for about five seconds, then disappear. I've tried to open Firefox in Safe Mode and open the Profile Manager via the command line, but the window never opens, the process always appears for a few seconds and disappears on its own.
Anybody know what is causing this or how it can be fixed?

Hey, thanks for all the help so far. Sorry for the late response.
I followed your instructions, even getting rid of my bookmarks and personal data when uninstalling, and here's what happened:
After installing, I kept "Launch Firefox" checked at the last prompt. A window opened, it asked me whether I wanted to import anything from other browsers, I said no. Then it opened the regular Firefox browser window! But, I closed it and re-opened Firefox just to make sure it would still work...then it did the same thing it was doing before, opened for a few seconds and then closed on its own without opening the window. :-( So, it would open only once, the initial time and then that's it.
I don't get a crash reporter at all. No visual confirmation that Firefox is trying to open, except the process appearing a few seconds in the Task Manager and disappearing.
My antivirus program is AVG Anti-Virus Free Edition 2012. I do virus scans with Malwarebytes Anti-Malware occasionally. I don't have Windows Firewall turned on right now because it caused problems with another application.
This problem is particularly pesky...I don't know what happened, until a couple of days ago Firefox was running fine...
Any further help or suggestions would be appreciated!

Firefox Browser window will not open or start.

Sorry that this is long, but I wanted to make sure you knew as much as you needed to know.
I click on the icon in my Windows taskbar, and the firefox browser window will not open.
This was not the first of my problems. At first, Firefox would open immediately, but soon afterward, it began to slow, and soon, it took around 10-15 seconds for the browser window to start.
Now it won't start at all.
I will admit that I go all addon-happy on Firefox, but these extensions have never been a problem before. Here is the list: 
<pre>ReaditLater
ReloadEvery (this one doesn't work anymore, but I did have it once)
Ookong
PriceBlink
StumbleUpon
SimilarWeb
WOT
XMarks (I didn't use it much)
NoScript (I recently uninstalled that one, but that might have a factor in it. That thing was WAY too powerful!)
CoolIris
CoolPreview
AdHacker
AdBlock
AdBlockPlus
PersonasExpression
AntBar
ABE (I'm not sure if this was an extension, but I know that there was
alot of security-type addons from the Paranoid Kit, which is a
list of addons on the addons webpage.)
</pre>
Oh yeah, one more thing! 
I recently installed a GameVance installation thing. I'm not sure what it did, but could've had a virus in it that surpassed my security. I use Avast, if that's important at all. That thing was hard to uninstall, so I had to go back to the site to get the uninstallation software.
I tried to use the firefox.exe -ProfileManager thing, but it kept crashing, so it was useless.
Please help me fix this. I love Firefox. It's the only browser that allowed you to use the most addons! Plus, ALL MY STUFF IS ON THERE! I'd hate to have to change browsers (and I REFUSE to use Internet Explorer!)

See http://kb.mozillazine.org/Browser_will_not_start_up
Create a new profile as a test to check if your current profile is causing the problems.
See [[Basic Troubleshooting#Make_a_new_profile|Basic Troubleshooting: 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"
If that new profile works then you can transfer some files from the old profile to that new profile (be careful not to copy corrupted files) 
See http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

I right click on link, click, open in new window, then nothing happens. Or, windows within a page will not open, for example, on gmail, when I click "details" the window will not open.

When I right click on a hot link, then click, open in a new window, a window will not open. Alternatively, I can click, open in a new tab, and a new tab will open. Additionally, if I'm at a website with a chat feature, the chat window will not open, or, as another example, if I'm at gmail, and I click "details", the window that opens giving the summary of when your account has been opened and the IP addresses it's been accessed from, will not open.
I have on the computer, Aurora too. I doubt that it's a source of the problem, but I had to throw that into the mix. For clarification, this problem is happening while using the Firefox browser.

You can middle-click a link to open the link in a new tab.
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

New tap window will not open

''duplicate - locking - https://support.mozilla.com/en-US/questions/783813''
I've asked earlier bout on Firefox that the new tap window will not open when I hit the open new tap button, but I just seen that it will open when it is forced to open a new tap window by the system..but when manually I still cnt open it @ all

Although advised not to, I finally hit the reset button in the Save Mode Window. This corrected the problem. I suspect a faulty add-on - I try and reject many. I will add them back on at a time as I develop the need. Thanks for you help.

My options window will not open

I opened my options to delete cookies and browsing history and mozilla crashed. When I re-opened and tried to do it again the options window will not open. I have re-opened browser windows several times and still nothing happens when I click on options.

You can check if you have a user.js file in the Firefox profile folder that sets the browser.sessionstore.resume_session_once pref to true.
*http://kb.mozillazine.org/browser.sessionstore.resume_session_once
You can use this button to go to the currently used Firefox profile folder:
*Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
Note that Windows hides some file extensions by default.
Among them are .html and .ini and .js and .txt, so you may only see file name without file extension.
You can see the real file type (file extension) in the properties of the file via the right-click context menu in Windows Explorer.
You can check for problems with the sessionstore.js and sessionstore.bak files in the Firefox profile folder that store session data.
*Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Multiple_profile_files_created
Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost and you will have to recreate them (make a note or bookmark them if possible).

Finder window will not open

Finder window will not open from the dock unless I right click and click "New Finder Window". Currently running Yosemite 10.10.3 (14D87p) public beta (iMac - 27" late 2013).
Tried the following fixes:
1. Deleted finder.plist and restart.
2. Force quit Finder - when I do this, I get the "Finder not responding" and have to restart computer and right click for "New Finder Window".
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Well I'm glad that I"m not the only one with the issue. I'm also running Yosemite 10.10.3. About 2 days ago Finder stopped responding. I have reported it via "Feedback Assistant".
I did create a new profile and it does open with a new profile. Which is kinda strange. I have also done items 1-3 listed in the original post.
I will keep an eye on this post to see if anyone solves the issue at hand.

Browser window will not open.

Firefox browser will not open. I've downloaded the most recent version, and sought help, but it simply tells me to open up the browser window and reset via troubleshooting... this is fine and all, but I cant do that if I cant open up a browser window. I'm hesitant to uninstall and reinstall because I'll lose everything. Is there an easier way?

it is described in the link, i've provided. essentially hold the shift-key while clicking on the firefox icon...
edit: or hold the windows-key+r & open "firefox.exe -safe-mode" (without quotes)

I am having problems exporting my time lapses from quick time pro i need to save my files as photo jpegs but the standard video compression window will not open fully,

i am having problems exporting my time lapses from quick time pro i need to save my files as photo jpegs but the standard video compression window will not open fully, it just keeps my mac (old 1.6Ghz 2.5 GB sdram G5 still good for most stuff i need) spinning for ever but i can see compression type H.264 selected and the other setting but i can not select any other options as it still thinking but never opens! why is this happening how do i get round it?
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i need to save my files 1920 x 1080 photo jpeg codec as i want HD quality.
i am sure there is a simple way round this?
thanks guys!

It is very difficult to offer troubleshooting suggestions when the "os version" you are using is unknown as each os has their own troubleshooting solutions.
How large is your hard drive and how much hard drive space do you have left?

Reprint Republish window will not open

For one user, the Tools->Reprint Republish window will not open. No error message is displayed.
We have already follow note
Reprint/Republish Page Not Functioning Correctly on All Desktops (Doc ID 432691.1)
and clear the cache with no luck.
Other user are reprinting with no problem, just one user is having this behavior.
Thanks in advance.

Please post the details of the application release, database version and OS.
For one user, the Tools->Reprint Republish window will not open. No error message is displayed.What is the difference between this user and other users? Can you reproduce the issue if you login as that specific user from a different machine (or vice versa, let one of the users whi can use reprint/republish to login from that user machine)?
We have already follow note
Reprint/Republish Page Not Functioning Correctly on All Desktops (Doc ID 432691.1)
and clear the cache with no luck.
Other user are reprinting with no problem, just one user is having this behavior. Please add the application URL to the trusted sites list in the browser, and clear the Jcache and browser history. Also, make sure that pop-up blockers are disabled.
The Reprint/Republish Functionality Does Not Work. [ID 436235.1]
Tools: Reprint/Republish Do Not Print in NSL Sessions [ID 1085324.1]
Tools > Reprint /Republish Request Error JBO-27122: SQLError During Statement Preparation [ID 1258284.1
Thanks,
Hussein

My firefox browser will not open, i need my bookmarks so i can reboot my computer

My computer is have problems probably a virus, my firefox browser will not open. i only really need my bookmarks. is there a way of accessing them without opening firefox.

See this: 
http://support.mozilla.com/en-US/kb/Backing+up+your+information

Autoplay window will not open when I connect Iphone 6 plus with Ver 8.1 and running windows 8.1 on pc.

Autoplay window will not open when I connect Iphone 6 plus with Ver 8.1 and running windows 8.1 on pc.

Hi, sstroec,
How about your problem now? Is arnavsharma's suggestion helpful? If you need any further assistance, please feel free let us know.
Roger Lu
TechNet Community Support

Firefox will not open. Process runs, but browser window will not open.

I am unable to get the Firefox browser window to launch. The application will attempt to open, but the browser window will not appear. Task manager indicates that the process is running, it just will not launch the window. No amount of restarts or reboots will make a difference. The strange thing about this is that Firefox has never run. This is a new computer and this issue has been a problem since it was first plugged in.
Troubleshooting steps attempted thus far:
1) Attempted to open in safe mode - will not open
2) Attempted to run in administrator mode- will not open
3) Completely uninstalled application, including profile info and reinstalled
4) Uninstalled known conflicts - Skype 4 (do not have Norton)
5) Even though issues since new, I ran a virus scan just in case-nothing
6) Uninstalled Chrome which I installed after originally being unsuccesful at getting FF to install (I uninstalled it before I began all of these troubleshooting steps as I have heard of conflicts)
I am now at a loss and willing to try any other steps that you guys can suggest.
Computer is running Windows 7 pro 64 bit. Running McAffee virus software. There are three identical computers in my office, purchased at exactly the same time with the same configuration. Mine is the only one that will not run firefox. Sadness. Please help, pleeeease...

Win 7 with iTunes installed - I was also having problems with that.
"netsh winsock reset" at the command prompt resolved all issues and Firefox launched normally.
Check to see if Winsock is corrupted. May prevent FF from communicating with the web and consequently fails to launch properly - for my situation was not a firewall or antivirus block!
http://support.microsoft.com/kb/936211#LetMeFixItMyselfAlways
Click Start, and in Start Search, type cmd.
Right-click the cmd entry that appears in the search results, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Continue.
At the command prompt, type the following, and then press ENTER:
netsh winsock reset
Then, you should see the following message:
Successfully reset the Winsock Catalog. You must restart the computer in order to complete the reset.
Restart the computer.
Note If you receive an “Access Denied” error message instead of the message that is mentioned in step 3, the command prompt was not correctly elevated. In this case, close the Command Prompt window, and repeat steps 1 through 3. Make sure that you correctly implement step 2.

Firefox 7 will not open, only shows up in processes, after Oct's Windows 7 update and force restart.

Been unable to get FF to open out side of it showing up in the processes. No browser window to even tinker with settings. Uninstalled the latest Windows updates, restarted and still won't open. Then uninstalled recent flash update since that updated as well. Still no go. Uninstalled FF, reboot, re-install FF, reboot, still nothing. I have tried opening in safe mode and FF will not open in safe mode either. Same again after turing off firewall and virus protection. Ran virus and spyware programs, nothing came up in those. Ran them again while in safe mode, just in case, and nothing found on my system.
The Windows and Adobe updates are the only things that have changed on my system since last restart 2 days ago.
No window, no nothing, only FF in the processes takin up 50% of my CPU and usin 30,000k in memory.
What else can I try to get my FF back?

I have the same problem (and with Mozilla Thunderbird) running with Windows Vista OS. The non-opening problem was preceded by a long period where Firefox and other programs were taking absurdly long times, such as one minute, to open. Starting Windows in "safe mode with networking" solves the problems. Similarly, I just found that If I run msconfig.exe and select "diagnostic startup" then Firefox and Thunderbird both start and start up really fast (that is, when most services and startup programs are prevented from starting). However there is no network so they do not connect. I then turned on (in msconfig) enough processes to get networking running and Firefox and Thunderbird still start up really fast.
I am fairly certain there are no viruses on my computer, so the only other possibility is that some program/registry-entry is preventing the OS from working properly. The problem with windows that it is virtually impossible to find something like this, since the Windows OS has very weak self-diagnostics, and the registry is absurdly complicated with over half a million entries on my computer.
If you can do a "repair install" then this will probably fix the problem, but I do not think that Vista has this feature. Alternatively an upgrade of the OS might fix it, such as from Vista to Windows 7.

Firefox Window Will not Open on iMac

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