I can't open firefox after i used system restore

After i did a system restore i tried to open firefox but i get a crash report window
i tried to uninstall Firefox and install it again to fix the problem but it doesn't work i deleted all my bookmarks but i still can't surf Internet by Firefox
and all my old backups inadvertently wiped by tuneup maintenance please can i have any solution to help there is nothing left I didn't do
== User Agent ==
Opera/9.80 (Windows NT 6.0; U; en) Presto/2.6.30 Version/10.60

Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
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.
You can initially skip the step to create a new profile, that may not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
http://kb.mozillazine.org/Profile_backup and [[Backing up your information]]

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After i used system restore, firefox wont open

Tonight i had to use system restore and restored my computer to early this morning. Everything else works, i can connect to the internet if i use IE, but when i goto click on Firefox Icon it won' do anything now.

After you have tried to open FF, is the process firefox.exe running? you can check that in task manager. If it is, you are not the only one experiencing this problem see thread;
https://support.mozilla.com/en-US/questions/705984?page=3

I can't open firefox after ATTEMPTING to update

I was prompted to do an automatic update or uversion update, not sure which. I did, as usual, and when I came back to the computer, it stated, as usual, that Firefox needed to restart, so I closed it, and it attempted to reopen the browswer. I could see part of my toolbars adn the words on my desktop background, but no actual browser window, with the yahoo screen or toolbar tabs, etc. I could blindly click, and assume I hit a button that said "Close" or "OK". I think it was telling me the software update failed. It closes, tries to open up again, I see the "well, this is embarassing," but still no browser screen. It repeatedly does this close/open until I just close it, because the actual window never opens. I started using IE and attempted to update firefox version from the mozilla website, but it won't happen. I followed forum topics related to the above issues, but they require making changes through the Firefox window, which now (the next day) will not open at all. I want to uninstall and reinstall, but I don't want to lose my bookmark profile in Firefox. I also attempted two failed tries at connecting to a livechat, which got me down to #1 then informed me it was unable to connect. Lastly, even using my IE window, when viewing forum topics, lines overlap and make it hard to read the postings. This is somewhat similar to the words showng up on m background all jumbled, but not in an actual browser window.

Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
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.
You can initially skip the step to create a new profile, that may not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
http://kb.mozillazine.org/Profile_backup and [[Backing up your information]]

Can't open firefox after upgrading to the latest version. All programmes affected, basically nothing works and it's driving me mad!

Having updated firefox, it does not work. After an hour or so to try and open firefox, it says firefox has crashed and gives option to restart or quit.
Same with internet explorer and chrome - no response. After about an hour, excel finally opened but so slow to be able to do anything.
Also noticed a message bottom right corner of screen saying this version of windows is not authentic. I have windows 7 and it is legitimate and have not seen this message before.
I have read lots on the internet but nothing seems to match my problem if nothing working. I am unable to change settings or look at set up of any programmes because I cannot get in to them.....
Any ideas would be so gratefully relieved please!!
Thank you in advance,

Start your '''Computer''' in safe mode. Then start Firefox. Try '''Safe''' web sites.
Starting The Computer In Safe Mode;
If running, turn your computer off.
Remove any disks and thumb drives that are in your hard drives or ports.
Now start your computer but also;
'''Windows; '''Press the <F8> key repeatedly.
'''Mac: '''Hold down the Shift key.
'''Linux; '''Using the command line, Linux/Unix computers can be booted
into various run levels that determine which resources are loaded.
For example, "runlevel 1" is typically the equivalent to Windows and
Mac safe modes.
* Source; '''[http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Safe Mode; Free Online Encyclopedia]'''
When the '''Boot''' menu is displayed, release the key you were pressing.
You must now choose what mode to use. The most used are;
* Safe Mode; The computer runs with only a minimum set of programs.
* Safe Mode '''With '''Networking; Same as above, but with internet access.

Can't open firefox after setup and transfer

I transfered applications and files from my old imac to new macbook. Also copied my firefox and thunderbird profiles. Thunderbird email works fine. But, when I try to open firefox, I get this message: "A copy of Firefox is already open. Only one copy of Firefox can be open at a time." No other copy of Firefox is open and I have uninstalled and reinstalled Firefox, but no luck. What in Leopard would cause this? No problem with Tiger...
Thanks, Rich

Hi,
Have you tried some of the suggestions here?
http://support.mozilla.com/en-US/kb/Basic+Troubleshooting
I'd recommend trying to launch it in safe-mode and see if you get any error messages.

I can't install CC after a PC System Restore

I am running a PC – Windows 8.1
On Monday September 29th I purchased a 1-year subscription to Adobe Creative Cloud for Photographers. I successfully made a debit card payment and successfully installed the Adobe Creative Cloud for Desktop App then installed Photoshop CC and Bridge CC from the app. The programs worked properly!
The following morning I was surfing the Web and became infected by RansomeWare. In order to get rid of the infection I performed a System Restore.
I have made many attempts and spent hours trying to re-install the Creative Cloud Desktop, and this is what happens when I try to do it:-
On my PC desktop I double-click the
CreativeCloudSet-Up file
User Account Control box appears
To which I respond YES
A small box then appears which says
Initialising Installer
Downloading Creative Cloud Desktop
Launching Creative Cloud Desktop
The small box disappears and I am returned to my PC’s Desktop.
There is no trace of the Creative Cloud Desktop app on my PC, but I found Photoshop CC files on my computer’s C-Drive and I wondered if they might remain from my first download on Monday, or whether they had just been downloaded by the CreativeCloudSet-Up file.
In the ”Add / remove programs” on my PC there are no entries for anything to do with Adobe Creative Cloud.
I am visually impaired but have sufficient sight to be able to use computers and programs. I do find searching forums quite tricky.
Your help would be very much appreciated.
Thanks,
David

Uninstall... run the Cleaner... Restart your computer... Reinstall
-http://helpx.adobe.com/creative-cloud/help/install-apps.html (and uninstall)
-using the cleaner after uninstalling and before reinstalling will usually help
-http://helpx.adobe.com/creative-suite/kb/cs5-cleaner-tool-installation-problems.html
Then do a fresh install... HOWEVER... have you run a malware cleaner to be sure your system restore removed all of the virus?

Should I reset Firefox after doing a system restore that successfully got rid of malware that had taken over Firefox and turned it into Bing?.

On January 12, when downloading Java, maleware/adware named Shopop got into my Windows 7 computer and took over Firefox. Firefox became Bing, with pop-up ads. Doing a malware and virus clean-up did not eliminate the problem.
I then did a system restore to January 8. This fixed the problem, and Firefox returned to normal.
Should I still do a complete reset of Firefox, anyway? This was recommended to me by a pc repair technician in my area.

Is Firefox behaving strangely or have any unwanted settings? If not, it's probably easier just to check a few things:
(1) Extensions
Disable ALL nonessential or unrecognized extensions on the Add-ons page. Either:
* Ctrl+Shift+a
* orange Firefox button (or Tools menu) > Add-ons
In the left column, click Extensions. Then, if in doubt, disable.
Usually a link will appear above at least one disabled extension to restart Firefox. You can complete your work on the tab and click one of the links as the last step.
(2) Possible user.js file
This article describes how to check for a user.js file which third party software may create to prevent you from changing some settings. Usually, you can just delete the file if you find it.
[[How to fix preferences that won't save]]

Can't open firefox after download. What's up with that?

Two weeks ago Firefox quit downloading attachments. Tried every online fix I could find and nothing worked. I uninstalled and installed the latest version. Program seems to download and it installs an icon on the toolbar but when you click on the icon nothing happens. I don't have time at work to debug a defective product. What a colossal waste of time. Why must software companies continue to dick with something that works perfectly and make it more and more complicated and unusable. I hate Internet Explorer but at least it works.

hello dowens, since this can sometimes be caused by malware active on a system, please run a scan with different security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes], [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner] & [http://www.microsoft.com/security/scanner/default.aspx microsoft safety scanner].
[[Troubleshoot Firefox issues caused by malware]]

After having a virus, my PC can't open Firefox from the icon anymore. Help!

I can still open firefox from a hyperlink I have in a word document. But this isn't a long-term solution. Uninstalling and reinstalling firefox didn't solve the problem either. When I click on the firefox icon I get "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator."
== This happened ==
Every time Firefox opened
== After Antivir removed the virus "Win32/Cryptor" virus

You may have the fake anti virus software "Antivir solution pro" Nasty malware. Google that if it hasn't comandeered your browsers. (Changes them to use proxy server), Here's one helpful link:
[http://example.com http://example.com|http://deletemalware.blogspot.com/2010/07/how-to-remove-antivir-solution-pro.html]
May need to start up in Safe Mode with Networking. Good Luck

Firefox 4 could not be made to show bookmarks on Vista 64bit. I used system restore to get back to older version. Now Firefox won't open at all even after undoing system restore

I use Vista 64 bit. Was fine with older Version of Firefox (3.6, I believe). Upgraded to Ver. 4. Couldn't access extensive bookmarks file or bookmarks toolbar. Tried all the Firefox help recs and they didn't work. Clicking the top button would give list of toolbars but when I tried to move to bookmarks toolbar the menu changed. Tried going thru tools and options and that didn't work. So decided to use System Restore to get old Firefox version back. Icons remained but program wouldn't open. Tried many ways, including start menu. Old version is still on program control file but only option is to uninstall. So went back to System Restore to get Vers. 4 back and it's not there. What to do?? I can use Google Chrome or Internet Explorer but I want all my 100's of bookmarks back. Thank you.

'''''Users are overusing and misusing System Restore!'''''
System Restore:
#is a way of protecting the '''''Windows environment'''''
#'''''may help to avoid a complete reinstall of the Windows Operating System'''''.
# should '''''never be used in place of un-installing an application and trying to replace it with an earlier version of that same application'''''
#'''''should generally be the LAST step in diagnosing/reversing a problem with the operation of Windows, BEFORE performing a complete reinstall of the Windows Operating System'''''
See this and related articles on the Microsoft site: http://support.microsoft.com/kb/959063

I just updated firefox TODAY 8/17/11 and after the update i can't open firefox unless i restart my computer or i delete going to windows task manager and process, also i can't open a new window, it won't allow it. please can you help me

I just updated firefox TODAY 8/17/11 and after the update i can't open firefox unless i restart my computer or i delete firefox going to windows task manager and process, also, i can't open a new window, it won't allow it. please help me, everything works on IE, Google Chrome and Safari, everything went wrong after the update

Hey Elaine07!
I have an article here that can help you with that issue. This article will help you make sure you have uninstalled iTunes correctly and help you troubleshoot the launch issues you are seeing:
iTunes for Windows Vista or Windows 7: Troubleshooting unexpected quits, freezes, or launch issues
http://support.apple.com/kb/ts1717
Take care, and thanks for visiting the Apple Support Communities.
-Braden

How can I get Firefox to NOT use DDE? If I uncheck it in Windows XP "Folder options" it keeps getting re-checked. When checked, it takes minutes to get Firefox to open on a page linked from Outlook.

How can I get Firefox to NOT use DDE? If I uncheck it in Windows XP "Folder options" it keeps getting re-checked. When checked, it takes minutes to get Firefox to open on a page linked from Outlook.

Open link/bookmark in new tab in same window:
*Middle-click (press the mouse scroll wheel) the link
*Ctrl+left click the link
*right-click the link, choose "Open Link in New Tab"
Open link/bookmark in new window:
* Shift+Enter on the link
* Shift+left click on the link
See: http://www.7is7.com/software/firefox/shortcuts.html

After install "4share" programme then I can't open Firefox 5

after install "4share" programme then I can't open Firefox 5 and ha

Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
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.
You can initially skip the step to create a new profile, that may not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
http://kb.mozillazine.org/Profile_backup and [[Backing up your information]]

I can't open firefox - I've tried restarting the computer several times - I'm using Microsoft Essentials and this has happened since the last virus scan.

The last virus scan brought up no problems. I can't find anything in Essentials that suggests Firefox is being blocked but I've tried opening it by clicking and right clicking but no luck. I found a suggestion on Firefox support that said I should create a new profile but I can't find the relevant exe -p program despite doing a full Search. This problem is on my desktop which is using XP (I'm sending this from my laptop where there is no problem - and I'm also using Essentials on this.) Hope someone can help as all my links are now gone.

Open your firewall program. First check the settings. Make sure that the
program is set to tell you if a new program wants access to the web. Then
go to the list of programs the firewall has. Make sure that all the programs
you want to access the web are set to '''ALLOW'''. If it is set to '''AUTO''', the
firewall may not allow access.
=================================================
'''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that turns off some settings and disables most add-ons (extensions and themes).
''(If you're using an added theme, switch to the Default theme.)''
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu by clicking on the '''Restart with Add-ons Disabled...''' menu item: 
[[Image:FirefoxSafeMode|width=520]] 
If Firefox is not running, you can start Firefox in Safe Mode as follows:
* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
''Once you get the pop-up, just select "'Start in Safe Mode"''
[[Image:Safe Mode Fx 15 - Win]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
When you figure out what's causing your issues, please let us know. It might help others with the same problem.
Thank you.

I can not find mozilla firefox folder in Start All Programs how can i open firefox in safe mode i am using win7 and firefox 4.ob10 ?

i can not find mozilla firefox folder in Start>All Programs> how can i open firefox in safe mode i am using win7 and firefox 4.ob10 ?

A quick workaround - Go to Start > Run, and paste this in the box: "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -safe-mode

I can't open firefox after i used system restore

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