When I start Firefox 4.0 all that comes up is a black page. No text is visible on the page or in the menus.

I downloade the update to Firefox 4.0. Now when I open the browser only a black screen comes up. No text is visible on the pager or the menus. I cannot type any text within the page. When a move the cursor around the black page little magnifying glasses show up.

If the problem returns, you might want to search this forum for threads with titles like ''Google redirect virus'', in case the culprit is installed outside of Firefox.

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HT1310 I tried using the start-up manager but all that comes up is a padlock, narrow space to enter characters and a box with a right arrow.

Got the system from a donation store. This had been used at a school and the drive wasn't wiped, but most things require admin user-name & password. I tried the start-up manager but all that comes up is a padlock, narrow box to enter characters, and a box with a right arrow. Also, I can't use self-mode (command + S) just doesn't work. And no install discs. I get buy on eBay Restore discs but I think the OS id 9.0? Specs: MAC OS X 10.4.11, BUILD 8S165, S/N# XB**********S, Power PC G4 1.5 GHZ.
<Personal Information Edited by Host>

Hello, is it maybe 1.5 GB?
Firmware password protection in Mac OS X ...
http://support.apple.com/kb/HT1352
It would block usage of all the startup keys, like C, N, T, D, CMD+s, CMD+Option+p+r, CMD +v, Option boot will show a lock, and Shift, as well as booting from anything but the Hard Drive.
Force Removing Password Protection
1) Add or remove DIMMs to change the total amount of RAM in the computer.
2) Then, the PRAM must be reset 3 times. (Command + Option + P + R).
http://www.securemac.com/openfirmwarepasswordprotection.php

HT201177 when I start my macpro I hear the startup sound but them all that comes up is a folder with a "?" on it and the computer doesn't start.

Mac is not starting. A Folder with a"?" is all that comes up at startup.

http://support.apple.com/kb/TS1440
If running Lion:
http://support.apple.com/kb/PH4193

When I start Firefox, I get msg that it is in "offline mode" and need to "try again" to get online. Started after latest update 10.0.1

When I click onto the Mozilla Firefox icon and open the browser up, it doesn't automatically connect to the online server. Instead, a message appears that it is in offline mode. If I want to go online, I am instructed to click a "Retry" button. This then initiates the online mode.
It doesn't happen all the time but most often first thing in the morning and/or if Firefox has not been opened for a few hours.
Is there something I need to change in the Firefox Preferences under Network/Connection/ Settings?

None of these "fixes" seem apply to Mac OSX10.6.8 . Since I installed the latest update for Firefox I, too, am getting this offline mode and retry message every time I open the browser.
I am not a programmer, so will appreciate a fix I can understand and safely execute to make this terribly annoying message go away.
Work Offline is NOT checked but does appear under the file menu.

When I start Firefox, no website will open. It states it is unavailable. Internet explorer works at the web sites. I have deleted and reloaded Mozilla and it did not help.

This started about 2 weeks ago. The Home page is Cox and it states initially the web site was under repair. Now whe Mozzilla is opened, a message comes up that the website is uavailable. Clicking on all of the bookmarks results in the same message. The message comes up instantly after the enter button is pushed.

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 and the updater process.
See:
*https://support.mozilla.com/kb/Server+not+found
*https://support.mozilla.com/kb/Firewalls

If I open Firefox all that comes up is a translucent page with only the minimize, maximize and close icons in the top right corner. How do I restore Firefox?

There is no address bar, no error message, or anything at all but the three icons in the upper right corner. The entire page is just a giant translucent square with the three icons.

hello MilaRowantree, can you try launching firefox in safe mode by pressing the shift key while it is starting and see if the issue is occurring there too? maybe a theme or hardware acceleration is interfering here...
if safemode is working, you can try disabling hardware acceleration in firefox > options > advanced > general and or disable addons that might cause the problem. it also would be interesting which graphics hardware (adapter description, driver date & driver version) you are using - you can access this information in firefox > help > troubleshooting information towards the bottom of that page... thank you
[[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]]

When I start Firefox, I get an error message instead of my home page: Server not found Firefox ca

The error message is: Server not found
Firefox can't find the server at co108w.col108.mail.live.com.
If I then hit "Home" it goes to the home page. Changing the home page hasn't helped. Resetting Firefox hasn't helped. This just started today. Restarting the computer didn't help.
I'm using Firefox 18.0.2 and Windows 7.
Thanks.

Check for malware
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://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!

I copied this from your 5.0 download information: "All of the App Tabs you have set when you close Firefox will open as App Tabs when you start Firefox again." When I opened my computer today all my apptabs from yesterday had disappeared. Why?

Your download page for 5.0 stated: All of the App Tabs you have set when you close Firefox will open as App Tabs when you start Firefox again.
I liked the convenience of using App Tabs and was disappointed to find that the ones I had set up yesterday were gone today. Am I doing something wrong?

Works fine for me, I can simulate your problem by improperly closing Firefox.
The correct way would be to close the windows you don't want and then to exit Firefox through the File ("'''Alt+F'''") menu then use '''Exit''' or '''Qui'''t depending on your system.
But '''I can simulate your problem''' by closing the good window with "X" in the upper right-corner first (the one with the app-tabs) and then close the other window by any means.
You restart Firefox and open a window, since you closed without app-tabs there are none so you just see a window with your home page.
Firefox has some things added to Firefox 4 and therefore in Firefox 5.
# "'''Alt+S'''" (Hi'''s'''tory menu)
# "'''Restore Previous Session'''" (that's the window without the app-tabs, but you have to this first)
# "'''Restore Recently Closed Windows'''" -- can choose which window to reopen based on name and the mouse-over tells how many tabs. or you just use "'''Restore All Windows'''" without the guessing.
''I know you are on a Mac, and this affects Windows user more than anybody else, but it does affect other systems besides Windows, occasionally, perhaps more often now with the plugins container.''
The following may not completely eliminate having to terminate Firefox through the Windows Control Panel but it will come very close.
'''Plug-in and tasks started by Firefox may continue after attempting
to close Firefox''' The "X" in the upper right-hand corner closes the
Window (same as Ctrl+Shift+W) but even if it is the last Firefox window,
it does not necessarily close Firefox .
The only '''proper way to exit Firefox''' is to use '''Exit''' through the
File menu, not the "X" in the upper right corner of last Firefox window.
In the Firefox 4 and 5 that would be Alt+F then X
* '''Firefox hangs''' | Troubleshooting | Firefox Support http://support.mozilla.com/en-US/kb/Firefox%20hangs#w_hang-at-exit
Use the '''Windows Task Manger''' to remove all running firefox.exe in the "'''Processes'''" tab of the Windows Task Manager, then restart Firefox.
If Firefox will still not start, remove the parent.lock file from the profile which is created each time Firefox is started to prevent other Firefox tasks from running, see 
http://kb.mozillazine.org/Profile_in_use#Remove_the_profile_lock_file
'''Avoiding Problems with close/restart''' ''choose either extension''
:Use to close and restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files, then you don't have to worry about delay or have to look in the Task Manager to see if Firefox is closed yet.
Both extensions use the same keyboard shortcut "'''Ctrl+Alt+R'''" or a file menu option.
*"'''Restartless Restart'''" extension for Firefox 4.0+ only (2 KB download ) https://addons.mozilla.org/firefox/addon/249342/
*For older versions use "'''QuickRestart'''" extension (34 KB download) ( https://addons.mozilla.org/firefox/addon/3559/

How can I get rid of "myV9" that suddenly appeared the other day when I started Firefox?

Suddenly there was a portal site named "myv9" or "V9" on the screen when I started Firefox the other day. It contains a lot of icons for programs like Facebook, Google and so on. Until now I have had only Google as start page from Firefox. Of course I can click on the Google icon to get there, but it is the only site that I want to use of all these. Nearly all the other icons (except Facebook and some others) lead to specific US sites that I never visit (for example the weather forecast for North America) , because I live in Sweden. How can I get rid of "myv9"?
Even if it doesn´t harm my computer, I am afraid that it will slow it down, and, besides, it needs an extra click to get to Google.
Vidar Ferm, Sweden

Do a malware check with some malware scanning programs on the Windows computer. 
You need to scan with all programs because each program detects different malware. 
Make sure that you update each program to get the latest version of their databases before doing a scan.
*http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware
*http://www.superantispyware.com/ - SuperAntispyware
*http://www.microsoft.com/security/scanner/en-us/default.aspx - Microsoft Safety Scanner
*http://www.microsoft.com/windows/products/winfamily/defender/default.mspx - Windows Defender: Home Page
*http://www.safer-networking.org/en/index.html - Spybot Search & Destroy
You can also do a check for a rootkit infection with TDSSKiller.
*http://support.kaspersky.com/viruses/solutions?qid=208280684
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

I have a problem with bookmarks, all the time when I start Firefox the bookmarks is deleted, or not there. And I need to import them again and again, also the cookies, cash are deleted.

The bookmarks, cookies, history all the time are deleted when I start Firefox and I need to import them all the time.
I have version 3.6.12

This can be a problem with the file places.sqlite that stores the bookmarks and the history.
See:
* http://kb.mozillazine.org/Bookmarks_not_saved
* http://kb.mozillazine.org/Locked_or_damaged_places.sqlite

Emails when i start firefox in all of my email logon i cannot automatically log they will stay signed in how can i fix this

HI when i start Firefox none of the sites [emails,Facebook etc.] that have ticked the stay signed in box will stay logged on and i have to click the OK button each time.
my question is how can i fix this
i have tried to reinstall and this did not work
i searched the options in Firefox
i cannot find out the right button to press that will solve my problem

-> Tap '''ALT''' key or press '''F10''' to show the Menu Bar
-> go to Help Menu -> select "Restart with Add-ons Disabled"
Firefox will close then it will open up with just basic Firefox. Now do this:
-> go to View Menu -> Toolbars -> unselect All Unwanted toolbars
-> go to Tools Menu -> Clear Recent History -> '''Time range to clear: select EVERYTHING''' -> click Details (small arrow) button -> place Checkmarks on '''Cookies, Cache''' -> click '''Clear Now'''
-> go to Tools Menu -> Options -> Privacy -> History section -> '''Firefox will: select "Use Custom Settings for History"''' -> REMOVE Checkmark from '''"Permanent Private Browsing mode"''' -> place CHECKMARKS on:
1) Remember my Browsing History 2) Remember Download History 3) Remember Search History 4) Accept Cookies from sites -> select "Exceptions..." button -> Click "Remove All Sites" at the bottom of "Exception - Cookies" window
4a) Accept Third-party Cookies -> under "Keep Until" select "They Expire"
-> REMOVE CHECKMARK from CLEAR HISTORY WHEN FIREFOX CLOSES
-> When using the Location Bar, suggest: select "History and Bookmarks"
-> go to Tools Menu -> Options -> Security -> place Checkmarks on:
1) Warn me when sites try to install add-ons 2) Block reported attack sites 3) Block reported web forgeries 4) Remember Passwords for sites
-> go to Tools Menu -> Options -> Advanced -> Network -> Offline Storage (Cache): click '''Clear Now''' button
-> Click OK on Options window
-> click the Favicon on SearchBar -> click "Manage Search Engines" -> select all Unwanted Search Engines and click Remove -> click OK
-> go to Tools Menu -> Add-ons -> Extensions section -> REMOVE All Unwanted/Suspicious Extensions (Add-ons) -> Restart Firefox
You can enable your Known & Trustworthy Add-ons later. Check and tell if its working.

All of a sudden, my settings have been changed, my homepage, and EVERYTHING. No matter how many times I go in and change them again, the SAME pages open up when I start FireFox and I am constantly being asked if I want Yahoo as my start page and default s

I don't know what happened. All of a sudden, my settings have been changed, my homepage, and EVERYTHING. No matter how many times I go in and change them again, the SAME pages open up when I start FireFox and I am constantly being asked if I want Yahoo as my start page and default search engine. I click the box 'do not ask me again' and it comes up EVERY TIME. I change things like I don't want history remembered, and when I reload FireFox again, it's back to the way it was BEFORE. EVERY SINGLE TIME. I don't know why this is happening, or how to fix it. What do I do??

I do not want to download another virus program.. I do not believe it is a virus. I am running the full version of Norton 360 and it is doing a daily scan. I have Windows 7, 64 bit OS.
This is very irritating !! If I wanted Yahoo I would ask for it !

All of a sudden my back button does not work at all, on any site, and when I start Firefox it does not go to the home page I specified

Just a few days ago, I noticed that when I start Firefox it goes to a blank page, despite the fact that I have several times checked and rechecked under "Options" and my home page is in there. Also the back button has stopped working. I have made sure that inprivate browsing is not enabled, history is maintained etc etc

Does the issue still occur if you start Firefox in Safe Mode? http://support.mozilla.com/en-US/kb/Safe+Mode
How about with a new, empty profile? http://support.mozilla.com/en-US/kb/Basic%20Troubleshooting#w_8-make-a-new-profile

I have installed firefox 8.0.1. When I start firefox up it says I have the latest version, but simultaneously there is a warning saying that I do not use the latest version?.

When I click the firefox icon it tells me that I have firefox 8.0.1.Under is written Firefox-is-up-to-date (shadow line) It also mentions that I use the release-update channel.
When i start firefox there is a warning that I do not use the latest version

This - http://www.google.com/firefox - is the old Firefox Start Page used by the Firefox 3.6 and earlier versions of Firefox, I don't think it is being maintained by Google.
Starting with the Firefox 4 version, Firefox is using a "local" Start Page with the address of '''about:home'''. It looks similar to the old Start Page, but it isn't exactly the same.

All that comes up when I open Firefox are my toolbars and a place to enter a URL, but there is no window. I have to enter full screen mode to view websites.

Something happened with Firefox where all that comes up when I open Firefox are my toolbars and a place to enter a URL, but there is no window. I have to enter full screen mode to view websites. How do I get back to a regular browsing window? I have no idea how this even happened.

Hello,
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!
Thank you.

When I start Firefox 4.0 all that comes up is a black page. No text is visible on the page or in the menus.

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