When I open the browser I get a extra tab besides my home page that opens. I only want my home page to open.

Extra pages can be a sign that a bad add-on has crept into your Firefox. For example, an Astromenda infection.
cor-el pointed you toward Firefox's Add-ons page, and I suggest also checking here:
Open the Windows '''Control Panel''', Uninstall a Program. After the list loads, click the "Installed on" column heading to group the infections, I mean, additions, by date. This can help in smoking out undisclosed bundle items that snuck in with some software you agreed to install. Take out as much trash as possible here.
For further cleaning, try the '''scanning/cleaning tools''' listed in our support article: [[Troubleshoot Firefox issues caused by malware]]. These on-demand scanners are free and take considerable time to run. If they finish quickly and especially if they require payment, you may have a serious infection. I suggest the specialized forums listed in the article in that case.

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After installing Firefox 5.0 and attempting to open the browser I get: Error: Platform Version '2.0.1' is not compatible with MinVersion = 5.0 MaxVersion = 5.0 At the top of the message is Yul Runner

While installing Firefox 5.0 and attempting to open the browser I get: Error: Platform Version '2.0.1' is not compatible with MinVersion > = 5.0 MaxVersion < = 5.0
Above the message in the border was XULRunner

That can happen if the updater wasn't able to update (replace) all the files in the Firefox program folder (C:\Program Files\Mozilla Firefox\).
Download a fresh Firefox copy and save the file to the desktop.
* Firefox 5.0.x: http://www.mozilla.com/en-US/firefox/all.html
* Uninstall your current Firefox version.
* Do not remove personal data when you uninstall the current version.
Remove the Firefox program folder before installing that newly downloaded 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.
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 the browser I get a timed out message and it doesn't finish loading.

When I click to open the browser It takes a long time then I get a timed out message. I was using 12 then down loaded Aurora and the problem is still there. It started out getting slower a couple weeks ago and then just quit working and now it won't work at all.

Perform the suggestions mentioned in the following articles:
* [https://support.mozilla.com/en-US/kb/Template:clearCookiesCache Clear Cookies & Cache]
* Make sure that you are using the '''"Remember History"''' setting as described in this article -> [[Options window - Privacy panel]]
* [[Server not found]]
Check and tell if its working.

When I open the browser I get 2 password prompts. How do I stop this?

Since updating to the current version of Firefox (3.6.10), the password prompt has moved to the top right of the screen instead of the center, and I get 2 prompts. I can close the first and enter the password into the second for the browser to start, or enter the password twice.
Is there any way to rectify this?

See this: 
https://support.mozilla.com/en-US/kb/Menu+bar+is+missing

Developing an HTML5 app. When I shut down the browser, switch to "Offline" then re-open the browser I get "Unable to connect" as opposed to the cached version.

I'm using FF 4 for Android. This works perfectly for me on my desktop version however on the Samsung Galaxy Tab 10 it does not work.
Again, as opposed to getting the local copy defined in the manifest, I get the "Unable to connect" screen.

Tools-Options-General 'When Firefox Starts ' Select: 'Show my windows and tabs from last time'

When i use the browser to get on line, the home page shows no address bar or anything above it

when i move the cursor to the top of the page the address bar appears but not the view, tools, history, etc. options.
when i move the cursor down the address bar goes away.........
a cox tech said they see this happening often with computers
using a fire fox browser......they referred to the problem as
STUCK ON FULL SCREEN.
how go i fix this problem??????? THX

Sounds like your are in Full Screen Mode. Tap the F11 key to turn Full Screen Mode on or off. See http://kb.mozillazine.org/Netbooks#Full_screen
The Firefox button has replaced the Menu Bar (''File, Edit, View, History, Bookmarks, Tools, Help''). You can display the Menu Bar in place of the Firefox button '''''OR''''' you can '''''temporarily''''' display the Menu Bar and make selections from it while the Firefox button is on:
*To '''''temporarily''''' display and use the Menu Bar, press the ALT or F10 key and make your selections from the Menu Bar.
*Menu Bar checked: Menu Bar on; Firefox button off
*Menu Bar un-checked: Menu Bar off; Firefox button on
*Click Menu Bar to check/un-check it after doing any one of the following:
**click Firefox button > Options > Toolbar Layout
**click View > Toolbars
**right-click in the empty space at the end of the tabs
*Keyboard shortcut to toggle Menu Bar on/off: Hold down ALT key and press letters VTM
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''

After installing Firefox 6.0 and attempting to open the browser I get: Error: Platform Version '5.0.1' is not compatible with MinVersion = 6.0 MaxVersion = 6.0

I am running a Windows 7 computer with ZoneAlarm internet security.

That can happen if the updater wasn't able to update (replace) all the files in the Firefox program folder (C:\Program Files\Mozilla Firefox\).
Download a fresh Firefox copy and save the file to the desktop.
* Firefox 5.0.x: http://www.mozilla.com/en-US/firefox/all.html
* Uninstall your current Firefox version.
* Do not remove personal data when you uninstall the current version.
Remove the Firefox program folder before installing that newly downloaded 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.
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.

I have downloaded Firefox 4.0.1. Upon opening the browser, I get the error message, JavaScript Application. Type Error. Components.classes[cid] is undefined Help. Thanks.

I do not have this problem with my other browsers: Chrome, Opera, and Safari.
I had no trouble like this with earlier versions of Firefox, before 4.0.1.

That indicates you have an add-on that is not compatible with Firefox 4. For details of how to troubleshoot that see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Firefox no longer loads home page or deletes cookies. I have repeatedly checked both settings and they are correct. It always goes to the last page I was on when I closed the browser ..

Firefox no longer loads home page or deletes cookies. I have repeatedly checked both settings and they are correct. It always goes to the last page I was on when I closed the browser .

Go to '''TOOLS''' then''' OPTIONS''' then in '''GENERAL''' panel in '''STARTUP '''session choose '''Show my home page''', then click '''OK''' to save it, exit firefox and restart-it.
see for more info: [https://support.mozilla.org/en-US/kb/Options%20window%20-%20General%20panel Options window - General panel]
thank you
Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.

I have Java set up as a plug in but cann't get into yahoo games. Where is the firefox button when I have the browser open? Only button I see gives me close, resize,

I have java installed and properly working as a plug in. Why can I not get into Yahoo games and play Card Games? Where is the firefox button when I have the browser open? Only button that looks like anything for firefox allows me to restore, move, size, minimize, maximize, and close. That button is top left hand corner location.

I recently purchased a second hand new macbook air, although it was second hand to me the previous owner had never actually turned it on.
Something doesn't make sense here, though I'm not saying the previous owner is lying....
Time to send your serial # to iTS and let them see what's happening here.
iTunes Store Support
http://www.apple.com/emea/support/itunes/contact.html

At times I will close my firefox browser When I go back to open my browser I get a message stating that firefox is running The only way I can get my browser open is to restart my computer Why

At times I will close my firefox browser When I go back to open my browser I get a message stating that firefox is running The only way I can get my browser open is to restart my computer Why

Sounds like Firefox is "hanging at exit". That problem is frequently caused by an Extension or a Plugin. Read all of the following articles. 
NOTE: Establish a habit of exiting/closing Firefox with Firefox button > Exit or File > Exit to allow an orderly shutdown of Firefox and closing of all of the files that Firefox has open.
#Stop the Firefox process:
#*[http://kb.mozillazine.org/Kill_application Mozillazine - Kill application]
#*Windows 7 users click [http://www.techrepublic.com/blog/window-on-windows/reap-the-benefits-of-windows-7s-task-manager/2576 here]
#*Mac users: http://techheavy.com/2011/02/the-mac-task-manager/
#Why Firefox may hang:
#*[http://support.mozilla.org/en-US/kb/Firefox+hangs Firefox hangs] (see Hang at exit)
#*[http://kb.mozillazine.org/Firefox_hangs Firefox hangs (Mozillazine)] (see Hang at exit and Closing Firefox properly)
#*[https://support.mozilla.org/en-US/kb/Firefox+is+already+running+but+is+not+responding Firefox is already running but is not responding]
#Use Firefox Safe Mode to find a problem with an Extension or Plugin:
#*Don't check anything when entering Safe Mode, just continue
#*If the problem does not occur in Safe Mode it is probably an Extension or Plugin causing the problem
#*See:
#**[[Safe Mode]] and [http://kb.mozillazine.org/Safe_Mode Safe Mode (Mozillazine)]
#**[http://support.mozilla.org/en-US/kb/Troubleshooting+extensions+and+themes Troubleshooting extensions and themes]
#**[http://support.mozilla.org/en-US/kb/Troubleshooting+plugins Troubleshooting plugins]
#**[http://support.mozilla.org/en-US/kb/Basic+Troubleshooting Basic Troubleshooting]
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''
Not related to your question, but...
You may need to update some plug-ins. Check your plug-ins and update as necessary:
*Plug-in check --> http://www.mozilla.org/en-US/plugincheck/
*'''''Adobe Shockwave for Director Netscape plug-in''''': [https://support.mozilla.org/en-US/kb/Using%20the%20Shockwave%20plugin%20with%20Firefox#w_installing-shockwave Installing ('''''or Updating''''') the Shockwave plugin with Firefox]
*Adobe PDF Plug-In For Firefox and Netscape: [https://support.mozilla.org/en-US/kb/Using%20the%20Adobe%20Reader%20plugin%20with%20Firefox#w_installing-and-updating-adobe-reader Installing/Updating Adobe Reader in Firefox]
*Shockwave Flash (Adobe Flash or Flash): [https://support.mozilla.org/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox]
*'''''Next Generation Java Plug-in for Mozilla browsers''''': [https://support.mozilla.org/en-US/kb/Using%20the%20Java%20plugin%20with%20Firefox#w_installing-or-updating-java Installing or Updating Java in Firefox]

When i open firefox browser i get a sort of pop under of the weather channel which i can't close. how can i close it?

When i open firefox browser i get a sort of pop under of the weather channel which i can't close. how can i close it? Approx 1 quarter of the left side of the screen is taken up by this popunder. I've rebooted. No difference. Ive even done a system restore, No difference. I've done a search of my whole p.c. with no result.It appears to be only on firefox as it's not there on internet explorer. I've tried to attach a screen shot for you but no luck. I hope you can help me ,as I've tried everything I can think of.

When i open firefox browser i get a sort of pop under of the weather channel which i can't close. how can i close it? Approx 1 quarter of the left side of the screen is taken up by this popunder. I've rebooted. No difference. Ive even done a system restore, No difference. I've done a search of my whole p.c. with no result.It appears to be only on firefox as it's not there on internet explorer. I've tried to attach a screen shot for you but no luck. I hope you can help me ,as I've tried everything I can think of.

How can I get my desktop page to open when I close the browser and then re open it?

when I click the red x to close the browser, when I come back to open the browser later, the last page I was viewing. last session opens, even all other tabs behind it, instead of my google page (my home page)? can this be fixed) I know I can just click the google word in the search bar, but should not have to do this!

{
"application": {
"name": "Firefox",
"version": "32.0.3",
"userAgent": "Mozilla/5.0 (Windows NT 6.3; WOW64; rv:32.0) Gecko/20100101 Firefox/32.0",
"supportURL": "https://support.mozilla.org/1/firefox/32.0.3/WINNT/en-US/"
"crashes": {
"submitted": [],
"pending": 9
"modifiedPreferences": {
"browser.cache.disk.capacity": 358400,
"browser.cache.disk.smart_size.first_run": false,
"browser.cache.frecency_experiment": 3,
"browser.places.smartBookmarksVersion": 7,
"browser.sessionstore.upgradeBackup.latestBuildID": "20140923175406",
"browser.startup.homepage_override.mstone": "32.0.3",
"browser.startup.homepage_override.buildID": "20140923175406",
"dom.mozApps.used": true,
"extensions.lastAppVersion": "32.0.3",
"gfx.direct3d.last_used_feature_level_idx": 0,
"network.cookie.prefsMigrated": true,
"places.history.expiration.transient_current_max_pages": 104858,
"places.database.lastMaintenance": 1413230897,
"plugin.disable_full_page_plugin_for_types": "application/pdf",
"privacy.sanitize.migrateFx3Prefs": true,
"storage.vacuum.last.places.sqlite": 1413230897,
"storage.vacuum.last.index": 0
"graphics": {
"numTotalWindows": 1,
"numAcceleratedWindows": 1,
"windowLayerManagerType": "Direct3D 10",
"windowLayerManagerRemote": false,
"adapterDescription": "AMD Radeon HD 7670M",
"adapterVendorID": "0x1002",
"adapterDeviceID": "0x6840",
"adapterRAM": "1024",
"adapterDrivers": "aticfx64 aticfx64 aticfx64 aticfx32 aticfx32 aticfx32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64",
"driverVersion": "13.151.0.0",
"driverDate": "8-19-2013",
"adapterDescription2": "",
"adapterVendorID2": "",
"adapterDeviceID2": "",
"adapterRAM2": "",
"adapterDrivers2": "",
"driverVersion2": "",
"driverDate2": "",
"isGPU2Active": false,
"direct2DEnabled": true,
"directWriteEnabled": true,
"directWriteVersion": "6.3.9600.17111",
"webglRenderer": "Google Inc. -- ANGLE (AMD Radeon HD 7670M Direct3D9Ex vs_3_0 ps_3_0)",
"info": {
"AzureCanvasBackend": "direct2d",
"AzureSkiaAccelerated": 0,
"AzureFallbackCanvasBackend": "cairo",
"AzureContentBackend": "direct2d"
"javaScript": {
"incrementalGCEnabled": true
"accessibility": {
"isActive": true,
"forceDisabled": 0
"libraryVersions": {
"NSPR": {
"minVersion": "4.10.6",
"version": "4.10.6"
"NSS": {
"minVersion": "3.16.5 Basic ECC",
"version": "3.16.5 Basic ECC"
"NSSUTIL": {
"minVersion": "3.16.5",
"version": "3.16.5"
"NSSSSL": {
"minVersion": "3.16.5 Basic ECC",
"version": "3.16.5 Basic ECC"
"NSSSMIME": {
"minVersion": "3.16.5 Basic ECC",
"version": "3.16.5 Basic ECC"
"userJS": {
"exists": false
"extensions": [
"name": "Logitech SetPoint",
"version": "6.5",
"isActive": false,
"id": "{F003DA68-8256-4b37-A6C4-350FA04494DF}"
"name": "Norton Toolbar",
"version": "2014.7.8.23",
"isActive": false,
"id": "{2D3F3651-74B9-4795-BDEC-6DA2F431CB62}"
"name": "Skype Click to Call",
"version": "7.3.16540.9015",
"isActive": false,
"id": "{82AF8DCA-6DE9-405D-BD5E-43525BDAD38A}"
"experiments": []
}

Why does the Welcome to firefox tab open with my google tab every time I open the browser? And why can't the browser hold any add-ons I downloaded? I loose then when I close the browser, even tool bars have to be reinstalled every time I open the browser

Every time I open the browser the Welcome to Firefox tab is the first tab, then a second tab opens and thats my google, then a 3rd tab opens for me to reinstall my toolbar. This has been happening for a good year. Updates have not fixed it. Others have this problem. I did a search for an answer, the question is out there but no answer. Now if I go into add ons and add a background Theme or an extension it all is gone when I exit the browser. When I open the browser again I get all 3 tabs and have to install my toolbar again. I DO NOT want to reinstall as I will loose all my saved data, passwords, bookmarks, everything! I have had this computer for a year, Windows Vista x64 bit. Its not the computer, it's the browser. If you have specific questions e-mail me and I will be more then happy to help

See this article for some suggestions: [[Firefox has just updated tab shows each time you start Firefox]]
See also http://kb.mozillazine.org/Preferences_not_saved and Preferences are not saved

I downloaded Firefox 4 Beta and everytime I tried to open up the browser, I get a message stating I need to reboot the computer in order to complete the upgrade; I've rebooted the computer at least 4 times.

I downloaded Firefox 4 Beta and everytime I tried to open up the browser, I get a message stating I need to reboot the computer in order to complete the upgrade; I've rebooted the computer at least 4 times. I even tried to download a previous version of Firefox and I am still getting the same message that I need to reboot the computer in order to complete the previous upgrade.

I have a very similar problem myself. Error 42408. And my phone isnt being recognized. I have restored my phone with no luck. I completely uninstalled itunes and reinstalled and it worked then when I ejected unplugged and plugged it back in it had the same problem over again.. I have no idea what to do?

When I open the browser I get a extra tab besides my home page that opens. I only want my home page to open.

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