When I open Firefox, 'Restore Session' comes up, but it's blank: none of my tabs are actually in the window, and 'restore session' isn't clickable in that window or under 'History'. This happens every time now, whether it's 80 tabs or 2. What's happened?

I'm on an HP laptop, using Firefox 7.0.1; the first time this happened I'd had to hard-shutdown and restart. I don't clear my history on closing or anything. No new plugins.

It is possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
Delete the files sessionstore.js [2] and sessionstore.bak in the Firefox Profile Folder.
* Help > Troubleshooting Information > Profile Directory: Open Containing Folder
* http://kb.mozillazine.org/Profile_folder_-_Firefox
If you see files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete those as well.<br />
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).
See also:
* [1] http://kb.mozillazine.org/Session_Restore
* [2] http://kb.mozillazine.org/sessionstore.js

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HT201210 could not back up iphone to this computer. I have bought a new phone iphone 4 and it says the same thing. though I have another iphone 3 that backs up perfectly to this computer every time. why?

I had 2 iPhone 3G's, one of them screwed up and wouldn't recieve service. Up until then when I backed them up to my computer all was good, then one of them would update and all but a screen would pop up and tell me it couldn't back up to my computer. Recently I replaced the bad tele with an iPhone 4 and it does the same thing while the other iPhone 3G still backs up fine.......What up!!! Help please. Don't wanna lose my info..

I banged my head on the wall with the same problem for two days. Tried everything mentioned, and this worked, finally. The problem is that the backup files are not where you think they are.
You need to delete the MobilSync backup folder. I have a Mac. Went to /Library/Application Support/MobileSync/Backup and deleted the Backup folder.
Fixed the problem. Give it a try and good luck!

When i open firefox it runs in background but does not open. if i disable the internet connection immediately it opens. each and every time i do this when i start work. what kind of problem is this

i am using windows xp profession sp3 os
when i open firefox it runs in background but does not open(see through task manager or one message "firefox is already running in background" when i again click the icon.)
if i disable the internet connection, immediately it opens. each and every time i do this when i start work. what kind of problem is this
== This happened ==
Every time Firefox opened
== i every time starts firefox

I had the same problem and it was because of my firewall settings, which I had set to block all activity and forgot to reset it.

Everyday when I open Firefox a msg come on the screen that says "It is stronly recommended that you apply this update for Firefox ASAP." The connectivity server will not connect. Is there some way to disable this request?

Everyday when I open Firefox a msg comes on the screen that says "It is strongly recommended that you apply this update for Firefox ASAP. When I try to install, it will not connect to the connecting server so it just clocks forever.

See:
* http://kb.mozillazine.org/Software_Update (Software Update not working properly)
Remove the files in the updates and updates\0 folder.
You may need to delete active-update.xml and updates.xml as well if present.
XP:
C:\Documents and Settings\<user>\Local Settings\Application Data\Mozilla\Firefox\Mozilla Firefox\updates
(%USERPROFILE%\Local Settings\Application Data\Mozilla\Firefox\Mozilla Firefox)
If you have problems with updating then easiest is to download the full version and uninstall the currently installed version.
You may need to remove the Firefox program folder to do a clean install of the new version.
Do a clean (re-)install:
* Download a fresh Firefox copy and save the file to the desktop.
* Firefox 4.0.x: http://www.mozilla.com/en-US/firefox/all.html
* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Do not remove personal data if you uninstall the current version.
* 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.
Your bookmarks and other profile data are stored elsewhere in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder] and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

When I open Firefox my homepage comes up (good!) but often a second page/tab comes up with an annoying ad. My pop-up blocker is enabled and there are no exceptions listed. How can I stop this?

I recently had a virus attack and have cleared them with Malwarebytes Anti-malware. This problem didn't happen before the attack. In addition to happening when I open Firefox, occasionally an unwanted ad will pop-up in a new tab while using Firefox.

Firefox can store multiple home pages, check to make sure that the ad site is not listed as a home page. See [[how to set the home page]] for details.
You should run a scan with some other scanners to ensure that malwarebytes did not miss any. Some scanners you can try are:
* [http://www.superantispyware.com/ SUPERAntiSpyware]
* [http://www.lavasoft.com/products/ad_aware_free.php Lavasoft Ad-Aware]
* [http://www.safer-networking.org/en/index.html Spybot-S&D]
Also see [http://kb.mozillazine.org/Popups_not_blocked Popups not blocked - MozillaZine Knowledge Base], the above links come from that article, it also includes links to specialized forums for malware removal.

When I open Firefox a screen comes up that says register for "Inbox". I do not want to. I cannot deleate this and cannto figure out how to uninstall. Is it possible that I could speak with a live person that can help me.

I would like to delete the "inbox" screen from coming up when I open Firefox. I might help if I could speak with a person.

Hello BassoonPlayer,
Since you are using one of the the school's Macbooks, it is quite possible that the time and date are not properly set on the computer that you are using. FaceTime will not work if you do not have the proper time zone set up for the location that you are in. This past week, there were a two other Macbook users I've helped by simply telling them to set the Date/Time properly. By the way, you described your problem very well, which makes it easier for us to help you. Hope this solves your problem -- if not, post back and I can suggest other remedies.
Wuz

Why when I open Firefox does it come up "not responding"? When I attempt to close I get a windows window to check for the reason for no response. Magically, all of a sudden Firefox "POPS" back to life. Any thing I can do about this??

Firefox will open and then "freeze" (Says Firefox not responding). Have to attempt to close from lower bar and then get message from Windows - options
1. close window now
2. windows will search for the reason
When I click on either option I have to wait "magically" Firefox will "pop" alive. May stay responsive for full session or may again "not respond" when I try to access another site.

I have also found that unchecking the "Use hardware acceleration when available" option solves this issue. This option is in the Advanced section, under the General tab.

When i try to open firefox, I get a message saying another copy is already running. I have tried shutting down comletely and computer still thinks there's another copy running. How can this be?

There are two separate desktops on this computer, one for me and one for another user. Her Firefox is not affected. I have looked everywhere for this second copy supposedly running but I don't see how it can be because I have shut down all programs several times.

There are a few possible causes for that error, for details see [[Firefox is already running but is not responding]].

When I open Firefox it does not go to my home page even though my setting are set to go to home page when Firefox is opened

I have repeatedly checked my settings for Firefox to go to my home page when opened. Instead it opens my last pages opened. I have the most current version of Firefox. This has been going on for about a week.

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user.js Preferences
Your profile folder contains a user.js file, which includes preferences that were not created by Firefox.
Graphics
Adapter Description: Intel(R) HD Graphics
Adapter Drivers: igdumd64 igd10umd64 igdumdx32 igd10umd32
Adapter RAM: Unknown
Device ID: 0x0042
Direct2D Enabled: true
DirectWrite Enabled: true (6.2.9200.16571)
Driver Date: 8-31-2011
Driver Version: 8.15.10.2509
GPU #2 Active: false
GPU Accelerated Windows: 1/1 Direct3D 10
Vendor ID: 0x8086
WebGL Renderer: Google Inc. -- ANGLE (Intel(R) HD Graphics Direct3D9Ex vs_3_0 ps_3_0)
windowLayerManagerRemote: false
AzureCanvasBackend: direct2d
AzureContentBackend: direct2d
AzureFallbackCanvasBackend: cairo
AzureSkiaAccelerated: 0
JavaScript
Incremental GC: true
Accessibility
Activated: false
Prevent Accessibility: 0
Library Versions
NSPR
Expected minimum version: 4.10.3
Version in use: 4.10.3
NSS
Expected minimum version: 3.15.5 Basic ECC
Version in use: 3.15.5 Basic ECC
NSSSMIME
Expected minimum version: 3.15.5 Basic ECC
Version in use: 3.15.5 Basic ECC
NSSSSL
Expected minimum version: 3.15.5 Basic ECC
Version in use: 3.15.5 Basic ECC
NSSUTIL
Expected minimum version: 3.15.5
Version in use: 3.15.5

Found 0 results for When I open Firefox I get a "Well this is embarrassing" message. Makes no difference if I click on "Start a new session" or "Restore", it crashes. Then I get a "crash report" which apparently goes nowhere. I have uninstalled and reinst

Found 0 results for When I open Firefox I get a "Well this is embarrassing" message. Makes no difference if I click on "Start a new session" or "Restore", it crashes. Then I get a "crash report" which apparently goes nowhere. I have uninstalled and reinstalled twice with the same result, what do I do to restore Firefox?
== This happened ==
Every time Firefox opened
== Last week when I opened Firefox.

The crash reporter doesn't appear to be working...Here are the details that were contained in the report:
Add-ons: {0538E3E3-7E9B-4d49-8831-A227C80A7AD3}:0.9.10.2, :3.63,{972ce4c6-7e08-4474-a285-3208198ce6fd}:3.6.3
BuildID: 20100401064631
Comments: I get an error message, " well, this is embarrassing"..and Firefox crashes
CrashTime: 1274739017
EMCheckCompatibility: true
Email: [email protected]
FramePoisonBase: 00000000f0dea000
FramePoisonSize: 4096
InstallTime: 1270304892
ProductName: Firefox
ReleaseChannel: release
SecondsSinceLastCrash: 2699
StartupTime: 1274738966
Theme: classic/1.0
Throttleable: 1
Vendor: Mozilla
Version: 3.6.3
This report also contains technical information about the state of the application when it crashed.

I keep receiving this error every time I open LR, "Lightroom encountered and error when reading from its preview cache and needs to quit" and the app won't open. It said LR would try and fix this error next time I opened it but the error remains. I tried

I keep receiving this error every time I open LR, "Lightroom encountered and error when reading from its preview cache and needs to quit" and the app won't open. It said LR would try and fix this error next time I opened it but the error remains. I tried uninstalled and installing the app and the error remains. I have windows 8. Can anyone please help???

Use Windows Explorer to open the folder containing your catalog. The normal location is Pictures\Lightroom. Locate a folder with the extension .lrdata and delete that folder. Then you should be able to start Lightroom again, and Lightroom will begin building and new previews folder. Do not delete anything else.

I just downloaded the new version of Firefox (ver 4). Now when I open Firefox I get the address bar but the information part of my screen is blank. This happens on all web sites. How do I fix this? IE works fine.

I just downloaded the new version of Firefox (ver 4). Now when I open Firefox I get the address bar but the information part of my screen is blank. This happens on all web sites. How do I fix this? IE works fine.

Did you check your security software (firewall)?
A possible cause is security software (firewall) that 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 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]]

Recent activite comes up when I open firefox?

When I open firefox the recent website I was on comes up. I just want yahoo to be my homepage and open whenever I launch firefox. How can I fix it?

You can check if you have a user.js file in the Firefox profile folder that sets the <b>browser.sessionstore.resume_session_once</b> pref to true.
*http://kb.mozillazine.org/browser.sessionstore.resume_session_once
Your System Details list shows that you have a user.js file in the profile folder to initialize prefs each time Firefox starts.
The user.js file is only present if you or other software has created this file and normally it wouldn't be there.
You can check its content with a plain text editor (right-click: "Open with"; do not double-click).
The user.js file is read each time Firefox is started and initializes preferences to the value specified in this file, so preferences set via user.js can only be changed temporarily for the current session.
You can delete the user.js file if you didn't create this file yourself.
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)
*http://kb.mozillazine.org/Profile_folder_-_Firefox

The taskbar disappears when I open firefox. It just statred doing this. Any suggestions for how to fix it? I'm running on XP. Thank you in advance.

When it is just my desktop on the screen, the taskbar is at the bottom as usual. Now when I open Firefox, the taskbar disappears. This just started yesterday. I'm running Windows XP on this laptop. Any suggestions on how to correct the problem would be greatly appreciated. Thank you.

Have you got Firefox's menubar displaying if so turn that off using
* View -> Toolbars -> [] Menu Bar
That may restore the Orange Firefox Button. Post back as to whether that works.
I do not use Vista, but it seems odd that only Firefox should make the Vista taskbar disappear. You would do better to post your own question in a new thread.

Intrusive music now occurs when I open firefox. How do I stop it?

I have been using Firefox for a long time, and now use it on Windows 8 with a 64 bit processor.
This morning, 28 January 2014, I found that when I opened Firefox, I heard unknown, intrusive, repetitious music that I could not stop, although it stopped itself when completed. Searching for a solution in the Help resoiurces, I failed to find one. I therefore uninstalled Firefox and reinstalled it. However, the music still comes on. I am at a loss as to what to do to remove it.

It sounds like an add or a game you had played.
'''''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]'''''. If it stops, it could be an add-on.
===================================================
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/faq/?qid=208283363 TDSSKiller - AntiRootkit Utility]
* [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!

When I open Firefox, 'Restore Session' comes up, but it's blank: none of my tabs are actually in the window, and 'restore session' isn't clickable in that window or under 'History'. This happens every time now, whether it's 80 tabs or 2. What's happened?

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