If i want to open firefox the browser opens but it instantly becomes black, i can close or minimize it but it still remains black
firefox worked perfectly al these year, but suddenly it just became black when i open the browser. just for a couple of seconds the browser shows everything but than it becomes black. i can minimize and close it but nothing happens. i tried clicking anywhere but no results, please help
hello jay25, [https://support.mozilla.org/en-US/questions/940393#answer-377118 from another user] we found out that this might be related to malware active on your pc. please close all firefox windows and try [[Troubleshoot Firefox issues using Safe Mode|running firefox in safemode]] (by pressing the shift key while you're starting it). in firefox safemode go to firefox > addons > extensions and remove the entry named "Codec v1.0" or any other addons that look suspicious & you have not installed intentionally. afterwards see if you can run firefox normally again...
please also do an in-depth scan of your system with the security software already in place and/or a different tool like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] & keep firefox and your plugins up-to-date in order to stay safe on the web.
[[Troubleshoot Firefox issues caused by malware]]
[[Update Firefox to the latest version]]
https://www.mozilla.org/plugincheck/
Similar Messages
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I tried to uninstall AVG antiviral software, but it did not uninstall. Next, when I try to open Firefox I get a box popup that says:
TypeError: Components.classes[cid] is undefined.
If I click OK in that box, I can then open Firefox.
Also I can no longer update Java.
Help!Possibly you have "AVG Safe search" extension installed as part of "AVG Free", solution involves reinstalling :AVG Free" without the Link Scanner component see
* http://kb.mozillazine.org/Problematic_extensions
* symptom was noted in https://support.mozilla.com/questions/865877
Other possibilities
* "OneClick YouTube Downloader 1.07" as reported in
*: https://support.mozilla.com/questions/864343
* "Java console" needs to be updated as reported in
*:https://support.mozilla.com/questions/863711]
* "HP Smart Print 1.0" as reported in
*: https://support.mozilla.com/questions/857283
* "McAfee Site Advisor" as noted in (also see Problematic extensions above)
*:https://support.mozilla.com/questions/802381
*a theme After switching to the default theme the JavaScript error doesn't appear. (View > Page Style > No Style or if "Firefox" button use "Alt" first to get to the View menu)
*:https://support.mozilla.com/questions/837840
*various extensions/applications but is 1 year back and Firefox 3.6.6
*:https://support.mozilla.com/questions/729606
If none of the above solve you problem use diagnostic approach...
*: https://support.mozilla.com/questions/837840 -
When I open firefox, the browser line & file etc. don't appear
my computer is very slow & I keep getting a message from Norton that I have high memory usage with Firefox
The app tabs feature is still in a relatively early stage of development. The option to remember app tabs independently of sessions has not yet been implemented, but it will be part of the release version of Firefox 4.
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I am running Windows 7 64 bit Ultimate, and Firefox 4.0
Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]
* [[Troubleshooting plugins]]
If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
* Use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions.
* Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit") -
I can add a screen shot if needed.
No it is a not a virus if your homage is the default '''about:home'''
This explains what it is
https://blog.mozilla.org/blog/2014/10/14/play-awesome-indie-games-directly-in-firefox-including-the-award-winning-ftl/
This shows how you can change your Homepage in Firefox to something else or blank if you prefer. https://support.mozilla.org/en-US/kb/how-to-set-the-home-page -
Serious Bug-a-Boo :(
Cor-el's suggestion resolved my problem. Apparently the MOZ_NO_REMOTE variable was set to 1 on my system variables. I never made it, and really have no idea how it got there, but deleting this variable and restarting firefox has resolved the issue. Thanks Cor-el!
Marking case: Solved
Solution: Verify the MOZ_NO_REMOTE variable is NOT set to 1. This can be achieved by simply deleting this variable. -
Every time I open Firefox the installer opens onto my desktop with the icon to drag it into my application file. I have already done so. I tried dragging it again but it says that it already exists. I have to eject the installer to get it off of my desk top after I am done using Firefox. After closing Firefox if I want to open it again it does the same thing. I just downloaded Firefox today. I have also tried restarting my computer. I have a MacBook Pro.
== This happened ==
Every time Firefox opened
== TodayYou will not be able to install Firefox 3.6.8, you already have the last version of Firefox that works on OS X 10.3.9. Later versions of Firefox require at least OS X 10.4
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As I open Firefox the window opens for a split second then disappears. On my taskbar it is showing that firefox is still open however if you click on it nothing happens and firefox stays inaccessible. I can't even get enough access to turn off addons to try without them if it improve performance.
Hi,
I had this problem. Solution was to move mouse over taskbar icon. When Firefox displays small icon right click this and select maximise window !!! I think somehow Firefox got minimised to the taskbar and would not reopen as a full window. i.e it when you clicked the taskbar icon it would pop up and then pop back down to the taskbar again !!
Hope this helps. -
I uninstalled or deleted everything connected with Bing and uninstalled-reinstalled Firefox. Once or twice I opened it without seeing the Bing flyout but it came back. Opening IE does the same thing, but I don't use IE so I don't care about it. Opening Chrome, at least for now, doesn't have the same problem. I don't want anything to do with Bing/Microsoft so I don't want to see this flyout any more. There is no close button for the flyout. I can work around it by typing in a different url, but upon opening Firefox, the flyout opens. How can I get rid of it, please? The Microsoft website offers no help.
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. -
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?
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Dear Ones,
I have Firefox 10.0.2. and OSX 10.6.8. and the latest PDF adobe reader, and still can not open with the browser PDF files.Can someone help,pls?Thanxsee if this is helpful : [http://support.mozilla.org/en-US/kb/Opening%20PDF%20files%20within%20Firefox Opening PDF files within Firefox]
thank you
Please mark "Solved" the answer that really solve the problem, to help others with a similar problem. -
I accidently clicked for a full screen view on Firefox and now I can't undo it. My bar with tools, bookmarks, etc. is not visible. As the browser opens, the bar appears but then jumps up where it can't be reached. How do I turn off the full screen without access to view options?
Co-el, This wasn't possible as there wasn't a navigation bar available. The F11 did the trick though. Thanks for adding to the discussion.
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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 -
When we rolled out ReaderX and AcrobatX we uncheck the Diaply PDF in Browser window. OK with IE, but ignored in FireFox (3.6.16). We can live with that except the PDFs have links to other URLs and clicking on them is ignored. Same PDF opened outside the browser the links work fine. FireFox with Reader 9.4.0 no problem. Reader X with IE no problem. I can fix the Display in Browser with a change to firefox.js, but have not figured out how to fix the links when the PDF is displayed within the browser.
My replies are in Bold.
Thank you for your response and message.
1. Are you seeing this problem with all kinds of PDF's or some specific kinds like secure PDF's (with doc open password or printing restrcitions), reader extended PDF's or PDF forms.
This problem is with all kind's of PDF's.
2. Are you opening a locally saved PDF by doing a drag drop in the browser or right click and open with IE/FF or directly opening a PDF hosted on the internet?
It doesn't matter. However I do it, I see this problem in Firefox, IE & Google Chrome.
3. Can you also check the version of the Reader X browser plugin? you could find it at C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroPDF.dll. Right click -> Properties -> Details
If version is 9.0.x then you could try a clean install of Reader X.
I have checked it. It's the latest plug-in (though at the moment, I have gone back to Adobe Reader 9.4.1, as I've mentioned before, because I need the reader to be working fine for my work and daily life. I am just waiting for a fix before I try Adobe Reader X again.
As I've mentioned before, I am seeing this issue ONLY on my Windows 7 Ultimate (Laptop). In the desktop's at work, with Windows XP / Vista, I don't see it. Adobe Reader is working fine, browser integration is fine, the floating tool bar works fine, the right click menu pop' up where the right click is done...I can also save PDF' from the main toolbar at the top and so on...
I really have run out of ideas.... and I am very surprised that no expert support personnel (if at all there is one) have dropped by or said anything or mentioned anything about this.
Anyway.... Cheers. -
I've installed the Adobe Reader Plug In. Yet every time I click to see a PDF, it opens another browser and it is blank. The Browser reads about:blank. How can I fix this so that PDF's open in the browser?
Check your settings in Options > Applications: https://support.mozilla.com/en-US/kb/Opening%20PDF%20files%20within%20Firefox#w_check-firefox-settings
Also see:
*https://support.mozilla.com/en-US/kb/Using%20the%20Adobe%20Reader%20plugin%20with%20Firefox
*http://kb.mozillazine.org/File_types_and_download_actions
'''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.'''
Not related to your question, but...
You need to update some plug-ins:
*Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/
*Shockwave Flash (Adobe Flash or Flash): [https://support.mozilla.com/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox]
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