When downloading a file Firefox opens Innumerable tabs and is very difficult to stop.

Are you aware of this problem, if so what is its cause and how do I fix it?

You may need to change the action for a content type as shown here - https://support.mozilla.com/kb/Firefox+keeps+opening+many+tabs+or+windows

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Cannot open htlm file firefox opens new tab and keeps asking to open or save file ran malware bytes no problems found

When trying to open an html file firefox keeps opening the open file dialog in a new tab. I have run malware byte with no success.
The file never opens.
Finally refreshed Firefox problem resolved...

I am happy to hear that you solved it I will lock the thread.

When downloading a file, if I right-click and select new the submenu is not displayed

I have Firefox 12 installed; running XP SP3. Options/General/Always ask me where to save files is selected. If I download a file and select save file, I will get a save file to dialog. If I right-click in the dialog and select new, there is no submenu displayed. As a consequence, I cannot create a new folder in which to save the selected file. New will simply try to create a shortcut.

That Save As dialog that you see is part of Windows Explorer, including the contextual menu including "New". So, this sounds more like you may have a problem at a more fundamental operating system level, because Firefox (as far as I know) doesn't do anything, or even can, modify the content of the context menus of an Explorer window.
Could you provide a screenshot of what you see to make sure we're talking about the same thing here? Thanks!

I've done something and Firefox don't open tabs when I click on the open new tab and when I click on right click there is a lot of options..

Wheb I click right click there's a lot of option, before I use to have just a few. I wish that I can send you a photo how that looks.

You can't attach a screenshot to the first post that starts a thread, but you can do that in subsequent replies.
You can check for issues caused by an extension that isn't working properly.
Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
*Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
*Do NOT click the Reset button on the Safe Mode start window
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

When downloading a *.cap or *.capx file Firefox opens it where it should ask what to do with the file. What to do?

*.cap files are generated by Capella from capella.de a scorewriter program.
Whenever I open a *.cap or *.capx file Firefox opens it always with a kind of lister-program i.s.o. asking what to do.
Internet Explorer and Chrome handle these files in a correct way. There I can define to open these files with a Capella program.
Firefox is the negative exception.

Type '''about:preferences#applications'''<enter> in the address bar.
In the search bar, enter '''cap''' If anything is listed, change the action
(far right) to download or ask.

When downloading a file, "open" option does not appears, only "save" does

Before updating to 5.0, when downloading a file, I could select between "Open" and "save". Now I don't have the "Open" option. I need it because of my work and is a must have or it will take to much time to save and then opening them. In normal morning with "open" option took me like 30 minutes. Now it took me 1.5 hours and can't afford to loose that much time.

Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
*Do NOT click the Reset button on the Safe mode start window or otherwise make changes.
*https://support.mozilla.org/kb/Safe+Mode
A possible cause is that the server sends a wrong response header.
The server may not comply to RFC 5987 and sends a wrong Content-Disposition:attachment; filename header.
* https://developer.mozilla.org/en/Firefox_8_for_developers#Network

When a pdf file is opened in a tab, the automatic scroll function from the pad does not work in the other tabs, but only for the particular PDF tab.

The scroll function from the pad/mouse does not work for the other tabs when a PDF file is opened.

Hi NSHS,
Have you checked to see if your PDF add-on is up to date? You should take a look at the [[Opening PDF files within Firefox]] Knowledge Base article. There is a lot of good information in there. You should try both of the suggested PDF add-ons to see if that fixes the issue.
Hopefully this helps!

When download attachments, a window opens with a proposal to save the file HdFileDownloadServlet ?????

When download attachments, a window opens with a proposal to save the file HdFileDownloadServlet ?????

Does this also happen on this forum page?
If not then please post a link to a web page where this happens.
Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
*Do not click the Reset button on the Safe mode start window or otherwise make changes.
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Missing options of "Enter Private Browsing" "Open new tab" and "Open new window" when right click (right context menu) firefox icon on taskbar

Missing options of "Enter Private Browsing" "Open new tab" and "Open new window" when right click (right context menu) firefox icon on taskbar.
i already tired complete uninstall and reinstall, but the options are still missing.
print scr: http://www.freeimagehosting.net/9znkp
Thank You in advance for help. Best regards

Hello,
''jstavene wrote:''
can find nothing under the tools menu for private browsing?
Then it's not the same issue.
If Firefox is set to '''Never remember history''', then you're in “permanent private browsing” mode, in which case the menu item ''Stop Private Browsing'' will be grayed out. Perhaps that's the case, and you don't find the menu item easy to see?
* [[Settings for privacy, browsing history and do-not-track]]
If that's not the case, then menu items can be hidden using the userChrome.css file. Check if it exists, and if it's there, rename it, then restart Firefox.
* http://kb.mozillazine.org/UserChrome.css
In Firefox Nightly (what will become Firefox 20), per-window private browsing has been added, so the menu item under the Tools menu is gone. It's been replaced by New Private Window under the File menu. I don't suppose it's very likely that you're using such a cutting-edge test version of Firefox though.
If that doesn't solve the problem, since it's a different issue, it would be best if you would ask a new question.
* https://support.mozilla.org/questions/new

Why does Firefox open new tabs when HOME is clicked?

I just upgraded to version 29.0 from a 4 year old version and I'm experiencing a problem that I can't imagine how to correct. I have two home pages set in my config, so that when I open firefox I get two tabs displayed. My Home Page field reads "https://www.google.com|https://news.google.com" When I open Firefox I get two tabs, one for Google and one for Google News.
On my old version, if I was in the first tab & navigated to www.hp.com and then later clicked HOME, Firefox would load that tab back to google. If I was in the second tab, it would navigate that tab back to google as well. The multiple Home page option was just a great help for initialization.
Now, regardless of what tab I'm in, when I click "HOME" Firefox opens two new pages, sets the first to my first home and the second to my second home and now I have FOUR tabs open. Click home again and I have 6 tabs, again and 8 tabs, etc.
There has to be a way to fix this. The HOME button is supposed to operate of the current focus, just as it does if you have a single home page specified.

Hi Stan, what both Ed and I are saying is that the first of your home pages should open ''in the current tab you're viewing'' -- the way you want -- because that's what happens for us.
Could you repeat the test in Firefox's Safe Mode? That's a standard diagnostic tool to deactivate extensions and some advanced features of Firefox. More info: [[Troubleshoot Firefox issues using Safe Mode]].
You can restart Firefox in Safe Mode using either:
* "3-bar" menu button > "?" button > Restart with Add-ons Disabled
* Help menu > Restart with Add-ons Disabled
Not all add-ons are disabled: Flash and other plugins still run
After Firefox shuts down, a small dialog should appear. Click "Start in Safe Mode" (''not'' Reset).
Any difference?

Firefox opens mutiple tabs when I open a bookmarked page

Firefox opens mutiple tabs when I open a bookmarked page. When I go to the next bookmarked page Firefox opens all previous tabs that I have recently opened

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]]

Firefox crashes when downloading huge files

When downloading huge files like a 4GB DVD image of linux, firefox starts to build up memory usage. After downloading 3GB it takes around 4GB of memory and then crashes since it can't possibly grow any larger. WHY is it doing this? In earlier versions of firefox it created a .part file and stored all data in there. But right now it stores the WHOLE download in memory and then saves it directly to the file. No .part files on the drive.

I installed an apache webserver for faster local downloading and put a 4GB DVD up.
First try on Windows7: After 500MB of downloading it stops with a memory load of 1.6GB then it suddenly tells me the download is finished - at 500MB of 4GB. No crash this time but still not the desired result.
Try on Windows Vista: After 1.5GB of downloading and 1.7GB of memory usage and then the CPU activity jumped to 100% on the core where Firefox executes. Took around 5min then CPU goes down to 2% and it tells me the download finished and starts a virus scan. No crash either. Downloaded only 1.6GB of 4GB
Maybe it didn't crash this time because the download is too fast. Earlier while downloading from internet it always crashed while downloading debian DVD image. Later I used Internet Explorer to complete the download. I'll install a bandwidth control in my apache and try again over a longer period of time.

There is a problem when i click the "+" tab to "open a new tab" nothing happens. It use to open new tabs and now it does nothing.

There is a problem when i click the "+" tab to "open a new tab" nothing happens. It use to open new tabs and now it does nothing. Even when i go to "File" and "New Tab" it still does nothing. The only time i can get a new tab to open is if i go to "Help" and click "Firefox Help" then a new tab with firefox help opens.

Hi, were you able to resolve your problem? If so, please mark this question as '''Solved'''. Thanks !

Firefox open spam tabs

Firefox opens new tabs with sponsored ads,
I have scanned my computer with virus scanning software and different software cited https://support.mozilla.org/en-US/questions/697011?esab=a&as=aaq but find nothing.
Then I did the same navigation with Chrome and Opera, but no tab ad has been opened.
Finally I disabled the plugins one by one and I realized that with firebug disabled no longer the spam, it seems to open up once they parse the page when the keywords are found relevant.
Uninstall firefox and reinstall it does not eliminate the problem, there are probably other folders to be deleted that I do not know.
For more complete the tabs opened are only in Italian language, should not be a widespread problem, but most likely there is a leak in firebug extension.
Also for completeness, I report the id parameter represented in get parameter in the url of some sponsored ads. zanox1170335.
I dont know if the problem is really for firebug plugin, but i had only disabled this plugin and if some file can be usefull to you for analize it, i can give you.

I'd like to know whether the news tabs are generated from inside Firefox or by an external program. To make sure links open differently, you could adjust the following settings.
(1) In a new tab, type or paste '''about:config''' in the address bar and press Enter. Click the button promising to be careful.
(2) In the filter box, type or paste '''link.open''' and pause while the list is filtered. These should appear. What values do you have?
(A) '''browser.link.open_newwindow'''
3 = divert new window to a new tab (default) (checked*) 
2 = allow link to open a new window (unchecked*) 
1 = force new window into same tab
'''*''' First checkbox in Options > Tabs
(B) '''browser.link.open_newwindow.restriction'''
0 = open_newwindow preference honored for all new windows 
2 = open_newwindow preference honored for all new windows ''except'' script windows with features (default) 
1 = open_newwindow preference ignored completely (same effect as open_newwindow=2)
''By default, popups that specify a particular window size or turn off certain window features will appear in a new window. If you set this preference to 0 then all popups are forced to a new tab.''
(C) '''browser.link.open_newwindow.override.external'''
-1 = open_newwindow applies to external links (default) 
3 = open external links in a new tab 
2 = open external links in a new window 
1 = open external links in active tab
''On this third one, try choosing 2 to force externally launched pages into a new window instead of a new tab in an existing window.''

Avoid firefox opening 2 tabs on first time

Hello,
For internal uses at my work place, we use a customized Firefox,
All is ok out the fact that the first time we opening customized Firefox on a PC,
when no profile folder is existing, firefox open 2 tabs.
And after this first time all is ok, i think this is the "welcome tab".
What can i do to avoid this tab opening.
This is our user.js file to overwrite the prefs.js.
If i remove the
"user_pref("startup.homepage_welcome_url", "http://10.10.10.11:8008");"
It tries to open the mozilla welcome page
user_pref("startup.homepage_override_url", "http://10.10.10.11:8008");
user_pref("startup.homepage_welcome_url", "http://10.10.10.11:8008");
user_pref("javascript.enabled", true);
user_pref("app.update.enabled", false);
user_pref("browser.startup.homepage", "http://10.10.10.11:8008");
user_pref("accessibility.browsewithcaret", false);
user_pref("browser.cache.disk.enable", false);
user_pref("browser.popups.showPopupBlocker", false);
user_pref("browser.cache.memory.enable", false);
user_pref("browser.shell.checkDefaultBrowser", false);
user_pref("browser.backspace_action", 2);
user_pref("privacy.popups.disable_from_plugins", 0);
user_pref("privacy.sanitize.sanitizeOnShutdown", true);
user_pref("update_notifications.enabled", false);
user_pref("browser.tabs.showSingleWindowModePrefs", true);
user_pref("accessibility.browsewithcaret_shortcut.enabled", false);
user_pref("plugins.hide_infobar_for_outdated_plugin", true);
user_pref("extensions.blocklist.enabled", false);
user_pref("browser.newtabpage.enabled", false);
user_pref("browser.newtab.url", "http://10.10.10.11:8008");
user_pref("browser.tabs.autoHide", false);
user_pref("zoom.minPercent", 100);
user_pref("zoom.maxPercent", 100);
Thanks.

Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
''(If you're not using it, switch to the Default theme.)''
* On Windows you can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac you can open Firefox 4.0+ in Safe Mode by holding the '''option''' key while starting Firefox.
* On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
* Or open the Help menu and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
[[Image:FirefoxSafeMode|width=520]]
''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 [[Troubleshooting extensions and themes]] article for that.
''To exit the 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 other users who have the same problem.''
Thank you.

When downloading a file Firefox opens Innumerable tabs and is very difficult to stop.

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