Firefox unmaximizes itself when switching tabs in task bar

When switching tabs using the windows taskbar during an extended online session spanning multiple tabs and windows, the window will unmaximize itself. Switching tabs using the physical tab works correctly. This only occurs with the "Show tabs preview in the Windows Taskbar" opton enabled. Closing all open firefox windows and restarting firefox is the only fix I have found.

Hi achenbachs630420,
This is expected behavior for the Windows 7 operating system. However when I have Firefox in fill screen mode for a window and hover over the taskbar the preview will show up and the full screen will remain, and I have the same feature selected, weird?
'''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that turns off some settings, disables most add-ons (extensions and themes).
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu:
*In Firefox 29.0 and above, click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''.
*In previous Firefox versions, click on the Firefox button at the top left of the Firefox window and click on ''Help'' (or click on ''Help'' in the Menu bar, if you don't have a Firefox button) then click on ''Restart with Add-ons Disabled''.
If Firefox is not running, you can start Firefox in Safe Mode as follows:
* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
When the Firefox Safe Mode window appears, 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 [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit 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 others with the same problem.

Similar Messages

After update to Firefox 25, tabs will "go back" 2 to 3 pages, when switching tabs or exiting full screen.

It happens most frequently when exiting full screen from a video. i.e. youtube, dailymotion, nbc.com - any site with embedded video players.
When exiting full screen, the page skips backwards 2 to 3 pages. And no, I'm not clicking related videos while in full screen the whole time - this is while initiating full screen and exiting full screen, all from the same video page.
This happens less frequently when switching tabs - but if I switch to another tab, then back, the first tab will load the page I was on 2 pages ago.
More info: When this happens, the "forward arrow" is greyed out and the page that that loads is on the "back arrow" list twice - further down the list where it should be, as well as at the very top of the list, as though I had clicked on a link to that page.
This all started immediately upon restarting Firefox after updating to version 25 - no other changes have been made to my computer.

Thanks for the canned responses, but you guys are way off.
More information: It's related to HTML5 - whenever I fullscreen an HTML5 video, Firefox skips backwards to the most recent HTML5 video before that one, when exiting fullscreen. This last time, it skipped backwards past 4 pages that had no HTML5 content at all, to the one that did.

IPhone 4S Safari freezes when switching tabs

Hi.
Mobile Safari in my iPhone 4S freezes when switching tabs. This does not happen every time Safari is running, but it happened one too many already. Safari freezes even if I only have one tab and wanted to create a new one. The app would usually freeze while doing the switch, tho it also froze just before the tabs switch. Has anyone experienced the same? Please help. Thank you.

User troubleshooting after a reset is a restore. First from a backup and if that doesn't help, then as a new device. Remember a restore will delete data from the phone. Make sure you have everything backed up and synced to the computer before attempting the restore. If that does not help, make an appointment with the Apple Genius Bar to check for hardware faults.

I loaded what I guess is the new version of Firefox and it completely changed my whole task bar. I don't have my Norton Logins with stored passwords, and it's hard to find my favorites. Help get it back to how it was.

I loaded what I guess is the new version of Firefox and it completely changed my whole task bar. I don't have my Norton Logins with stored passwords, and it's hard to find my favorites. Help get it back to how it was.

Credit Tony E
To downgrade to Firefox 3.6 first uninstall Firefox 4, but do not select the option to "Remove my Firefox personal data". If you select that option it will delete your bookmarks, passwords and other user data. See https://support.mozilla.com/kb/Uninstalling+Firefox
You can then install the latest version of Firefox 3.6 available from http://www.mozilla.com/en-US/firefox/all-older.html - it will automatically use your current bookmarks, passwords etc.
To avoid possible problems with downgrading, I recommend going to your profile folder and deleting the following files if they exist - extensions.cache, extensions.rdf, extensions.ini, extensions.sqlite and localstore.rdf. Deleting these files will force Firefox to rebuild the list of installed extensions, checking their compatibility, and reset toolbar customizations.
For details of how to find your profile folder see https://support.mozilla.com/kb/Profiles

When opening email tab in task bar it opens an email link.

Hello,
Please can some one help, when I click on the email button up in the right hand corner of the tab bar it opens a link to the current page that is open and not to eM clients main page, which means I have to close this link before I can send or receive emails. can any one please tell me if this can be altered many thanks Paul.

''alex_mayorga [[#answer-665429|said]]''
<blockquote>
¡Hola paul4!
Does https://support.mozilla.org/en-US/kb/how-to-switch-between-or-quit-apps clear your question as to how to switch applications on Firefox OS?
If it doesn't answer you query, could you please detail your problem a bit more so we could help you?
</blockquote>
Hello Allex,
Thank you for your email, Sorry the problem is still there,
When firefox has opened at my home page I would like then to be able also to open my email program, which is eM Client from the email link envolope in the top right hand task bar. But when I click on the link, it does open eMail client but it also opens an email link to the current page that is open in Firefox. Which then I have to shut down before I can check for or send emails.
I did try that link that you sent me, which said to press and hold the home button in the same taskbar to bring up the apps but nothing happened.
Hope you can understand this a little better,
Many thnks Paul

Firefox opens, and preview shows when hover on the task bar link, but the window will not maximize, or show up at any size on my screen (Windows 7) Help?!

I am running Windows 7 and just updated Firefox to the 7.0 version. I can open Firefox, in the sense that I can run the application. I can see that it is open because the link shows up on my task bar, and when I hover over it I can see the thumbnail preview - which, incidentally says "You're almost there!"; but I can not open the window! I have tried clicking once on the task bar link, and once again (just in case I was clicking to minimize instead of maximize). I have tried double clicking the shortcuts on my desktop, then the one in my program files, as well as the one in my start menu, and the static one pinned to my task bar. I have tried accessing Firefox from every path available on my computer and I can open it every time, but *never* not even once have I been able to view it on my screen. I can't understand what would cause this and maybe I'm just an idiot but can anybody help me... please? Oh, and I don't know if it makes any difference, but I did try restoring 6.0 and I re installed 7.0 again, all to the same end... Many thanks to anyone willing to help me fix this!

-> [[Software Update Failed#w_run-as-administrator|Run as Administrator]]
-> right-click Firefox icon and choose Properties
* go to Compatibility tab
* click Use Resolution 640x480 pixels
* click OK and start Firefox
-> Firefox will now start but you should be able to change the size of the window.
* Close Firefox and now Uncheck the 640x480 resolution
* Start Firefox again and now all should be fine
Check and tell if its working.

Tabs and pages not drawn when switching tabs.

When switching between tabs or opening new tabs, the tab and the page are not drawn. But if I scroll down the page is drawn.
This doesn't happen always. It happens randomly.
Here's some sample sample images:
https://dl.dropboxusercontent.com/u/14279386/imghost/tabrender/1.png
https://dl.dropboxusercontent.com/u/14279386/imghost/tabrender/2.png
I've been having this problem since a few versions back.

If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
In Firefox Safe mode these changes are effective:
*all extensions are disabled (about:addons)
*default theme is used (no persona)
*userChrome.css and userContent.css are ignored (chrome folder in profile folder)
*default toolbar layout is used
*JavaScript JIT compilers are disabled
*hardware acceleration is disabled (Options > Advanced > General)
*plugins are not affected
*preferences are not affected

Call a Function when switching tabs in TabbedPanel

I am using Allan Jardine's DataTables javascript library , along with the Spry TabbedPanel. I have one table in each of a number of Tabs. The table in the tab opened by default (or if I use ShowPanel()) is fine. However, if I switch tabs, the other tables, which were hiden when the page was opened, are not correctly initialised, and don't display correctly. Doing anything that causes the displayed table to be redrawn results in the table displaying correctly, and from then on I can switch tabs and the tables are fine.
DataTables has an API function fnDraw(), which will cause a specified table to be redrawn. Is it possible to cause TabbedPanel to call a user specified function when the tabs are swapped, so I can call fnDraw()? I think this woiuld solve my problem.
Thanks
Ron

Thanks.
But I found a simpler way. At the end of the jQuery(document).ready(function(), which initialises the datatables, I added
var ret=TabbedPanels1.showPanel("expiredquotes");
oTable2.fnDraw();
var ret=TabbedPanels1.showPanel("confirmedquotes");
oTable3.fnDraw();
var ret=TabbedPanels1.showPanel("openquotes");
Which opens each of the "other" tabs and redraws the respective DataTable while they are "visible". Then at the end I display the 'default' Tab. I only need to do this once, when the page is opened, after which the tables are correctly formatted.
Regards
Ron

Focus-requests when switching tabs in JTabbedPane

I have a tabbed pane with a JTextArea in each tab. I would like to switch focus to the corresponding area each time I select a tab or create a new one. A ChangeListener can detect tab selections and call requestFocusInWindow() on the newly chosen tab's text area.
For some reason, the focus only switches sporadically. Sometimes the caret appears to stay, sometimes it only blinks once, and sometimes it never appears. My friend's workaround is to call requestFocusInWindow() again after the setSelectedIndex() calls, along with a Thread.sleep() delay between them. Oddly, in my test application the delay and extra focus-request call are only necessary when creating tabs automatically, rather than through a button or shortcut key.
Does the problem lie in separate thread access on the same objects? I tried using "synchronized" to no avail, but EventQueue.invokeLater() on the focus request worked. Unfortunately, neither the delay nor invokeLater worked in all situations in my real-world application. Might this be a Swing bug, or have I missed something?
Feel free to tinker with my test application:
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
/**Creates a tabbed pane with scrollable text areas in each tab.
* Each time a tab is created or selected, the focus should switch to the
* text area so that the cursor appears and the user can immediately type
* in the area.
public class FocusTest2 extends JFrame {
 private static JTabbedPane tabbedPane = null;
 private static JTextArea[] textAreas = new JTextArea[100];
 private static int textAreasIndex = 0;
 private static JButton newTabButton = null;
 /**Creates a FocusTest2 object and automatically creates several
 * tabs to demonstrate the focus switching. A delay between creating
 * the new tab and switching focus to it is apparently necessary to
 * successfully switch the focus. This delay does not seem to be
 * necessary when the user fires an action to create new tabs, though.
 * @param args
 public static void main(String[] args) {
 FocusTest2 focusTest = new FocusTest2();
 focusTest.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 focusTest.show();
 //Opens several tabs.
 for (int i = 0; i < 4; i++) {
 try {
 //adding the tab should automatically invoke setFocus()
 //through the tabbed pane's ChangeListener, but for some
 //reason the focus often doesn't switch or at least doesn't
 //remain in the text area. The workaround is to pause
 //for a moment, then call setFocus() directly
 addTabbedPaneTab();
 //without this delay, the focus only switches sporadically to
 //the text area
 Thread.sleep(100);
 setFocus();
 //extra delay simply for the user to view the tab additions
 Thread.sleep(1900);
 } catch (InterruptedException e) {
 /**Adds a new tab, titling it according to the index of its text area.
 * Using "synchronized" here doesn't seem to solve the focus problem.
 public static void addTabbedPaneTab() {
 if (textAreasIndex < textAreas.length) { //ensure that array has room
 textAreas[textAreasIndex] = new JTextArea();
 //title text area with index number
 tabbedPane.addTab(
 textAreasIndex + "",
 new JScrollPane(textAreas[textAreasIndex]));
 tabbedPane.setSelectedIndex(textAreasIndex++);
 /**Constructs the tabbed pane interface.
 public FocusTest2() {
 setSize(300, 300);
 tabbedPane = new JTabbedPane();
 //Action to create new tabs
 Action newTabAction = new AbstractAction("New") {
 public void actionPerformed(ActionEvent evt) {
 addTabbedPaneTab();
 //in my real-world application, adding new tabs via a button successfully
 //shifted the focus, but doing so via the shortcut key did not;
 //both techniques work here, though
 newTabAction.putValue(
 Action.ACCELERATOR_KEY,
 KeyStroke.getKeyStroke("alt T"));
 newTabAction.putValue(Action.SHORT_DESCRIPTION, "New");
 newTabAction.putValue(Action.MNEMONIC_KEY, new Integer('T'));
 newTabButton = new JButton(newTabAction);
 Container container = getContentPane();
 container.add(tabbedPane, BorderLayout.CENTER);
 container.add(newTabButton, BorderLayout.SOUTH);
 //switch focus to the newly selected tab, including newly created ones
 tabbedPane.addChangeListener(new ChangeListener() {
 public void stateChanged(ChangeEvent evt) {
 //note that no delay is necessary for some reason
 setFocus();
 /**Sets the focus onto the selected tab's text area. The cursor should
 * blink so that the user can start typing immediately. In tests without
 * the delay during the automatic tab creation in main(), the cursor
 * sometimes only blinked once in the text area.
 public static void setFocus() {
 if (tabbedPane == null) //make sure that the tabbed Pane is valid
 return;
 int i = tabbedPane.getSelectedIndex();
 if (i < 0) //i returns -1 if nothing selected
 return;
 int index = Integer.parseInt(tabbedPane.getTitleAt(i));
 textAreas[index].requestFocusInWindow();
}

Did you ever get everything figured out with this? I have a similar problem ... which I have working, but it seems like I had to use a bunch of hacks.
I think the problem with the mouse clicks is because each event when you click the moues (mousePressed, mouseReleased, mouseClicked) causes the tab to switch, and also these methods are called twice for some reason - for a total of 8 events giving the tab the focus instead of your textarea.
This works, but seems aweful hacky:
 class TabMouseListener extends MouseAdapter
 private boolean switched = false;
 public void mousePressed( MouseEvent e ) { checkPop( e ); }
 //public void mouseReleased( MouseEvent e ) { checkPop( e ); }
 //public void mouseClicked( MouseEvent e ) { checkPop( e ); }
 public void checkPop( MouseEvent e )
 if( e.isPopupTrigger() )
 mousex = e.getX();
 mousey = e.getY();
 int index = tabPane.indexAtLocation( mousex, mousey );
 if( index == -1 ) return;
 tabMenu.show( tabPane, mousex, mousey );
 else {
 if( !switched )
 switched = true;
 e.consume();
 int index = tabPane.indexAtLocation( e.getX(), e.getY() );
 if( index != -1 )
 tabPane.setSelectedIndex( index );
 TabFramePanel panel = (TabFramePanel)tabPane.getComponentAt( index );
 if( panel != null ) panel.getInputComponent().requestFocus();
 else {
 switched = false;
 TabFramePanel panel = (TabFramePanel)tabPane.getSelectedComponent();
 if( panel != null ) panel.getInputComponent().requestFocus();
 }Do you know of a better way yet?
Adam

AIR app crashes when switching tabs

Hi there:
I posted in another forum about this, but it seems the issues
aren't really related, so a recap:
quote:
Originally posted by:
patrickcheatham
I am trying to run an AIR app which _crashes_ as soon as it
needs to access a file or files on the hard drive (via an HTML
component). Sometimes it just crashes, sometimes I get an error
that the app can't find Adobe AIR. I have followed most or all of
the suggestions in
this
thread.
Attached code is a crash report.
Thanks!
The app can be found
here
The crash report can be found
here
The crash report has WebKit all over it; interstingly, when a
user reported installing the Safari 4 Beta recently, all crashing
stopped (that doesn't really make sense to me, but OK).
quote:
Originally posted by:
patrickcheatham
I have further input on this:
1) The crash occurs when the user switches tabs;
specifically, when the user switches from a tab which does _not_
contain an HTML component, to one which _does_ contain an HTML
component. Said HTML component looks for local content.
2) The crash occurs when the app tries to phone home to
Adobe; this phoning home appears to occur during item 1 above
_and/or_ when the app is launched.
Any help from above or insight appreciated.
Thanks,
Patrick

Hi Mirela:
It may be that the issue is a non-issue with AIR 1.5.1
(versus v1.5), so we'll see. Frustrating, nonetheless, especially
since it is a sporadic issue.
You can follow other users' experiences in the forum at
panosalado.com.
Thanks for taking the time to download it and try it out --
and for the feedback. Good to hear a positive! :)
Cheers,
Patrick

Refreshing when switching tabs

Hi,
I have created a webcenter site that has tabs used in iframes. What I would like to do is to refresh the bottom frame when a person switches tabs so the old data id removed. Does anyone know how to achieve this?
Any help would be appreciated.
-Joe

What technology are you using? WebCenter Content with a Javascript frontend? Do you use JQuery or some other framework?
Can you post the existing code that needs changing?

Firefox interface lags badly (switching tabs, opening menus) , even in safe mode.

Switching between tabs, playing GIFs, playing YouTube videos, typing text and opening the Firefox menu are sometimes laggy.
For example, sometimes when I click on a tab to view it, there will be a delay of a second before its contents are shown.
I tried Google Chrome and it doesn't have this lag. My computer is pretty powerful.
I tried safe mode, but the problem was present there, too.
I tried clearing the cache, but no luck.
I'm not sure what else to say, so if you would like more information, please just ask! Thank you.

Hi amacfie,
Have you looked at our [https://support.mozilla.org/en-US/kb/firefox-slow-or-takes-too-long-start performance troubleshooting section]? There is a lot of good information in there that should help.
Hopefully this helps!

Error sound on mac when switching tab with cmd+right arrow

On Firefox 3.6.9 and OSX 10.6.4, when I switch to a tab to the right using cmd+right arrow, I get an error sound but Firefox successfully switches to the tab. The error sound is the same sound you get when you press a keyboard shortcut that doesn't exists (ex: cmd+?)
However, if I use cmd+left arrow I don't get the error sound.
How can I eliminate the error sound?

I am just finally posting a reply. Looks as though the sound card went out. I was told that I could purchase a new open and install myself. I did not do that, but rather my step-dad just decided it was time to buy a new Mac Mini.

Firefox is crashing when multiple tabs are open

I have used Firefox for years but have never had so much trouble as I am having in the last few days. Constant crashing when I have multiple tabs open. I used to be able to have as many as a dozen tabs open. Now if I have as few as 3, crash after crash after crash after crash. On both my laptop and PC. I have run all my antivirus and nothing is coming up there. Anyone know what the heck is going on?

See http://kb.mozillazine.org/Firefox_crashes and [[Firefox crashes]]
If you have submitted Breakpad crash reports then post the IDs of one or more Breakpad crash reports (bp-xxxxxxxx-xxxxxxxxx-xxxx-xxxxxxxxxxxx).
You can find the IDs of the submitted crash reports on the about:crashes page.
You can open the about:crashes page via the location bar, just like you open a website.
See: http://kb.mozillazine.org/Breakpad (Mozilla Crash Reporter) and [[Mozilla Crash Reporter|Mozilla Crash Reporter: Breakpad]]
Your plugins list shows outdated plugin(s) with known security and stability risks.
* Shockwave Flash 10.0 r22
* Java Plug-in 1.6.0_11 for Netscape Navigator (DLL Helper)
Update the [[Java]] plugin to the latest version.
*http://java.sun.com/javase/downloads/index.jsp#jdk (you need JRE)
Update the [[Flash]] plugin to the latest version.
*http://www.adobe.com/software/flash/about/

Firefox often crashes when closing tabs

I've noticed that, when I have multiple tabs open in the same window, FireFox has a tendency to crash when I close one of the tabs. This seems to be more likely when the next tab is still loading. This doesn't seem to happen with closing separate FF windows, or if I move a tab to a new window and then close it.
Also, there is usually no option to send a crash report. I just get a Windows pop up that says firefox has stopped working.

-> Tap '''ALT''' key or press '''F10''' to show the Menu Bar
-> Update ALL your Firefox Plug-ins https://www.mozilla.com/en-US/plugincheck/
-> go to View Menu -> Toolbars -> unselect All Unwanted/Incompatible 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 -> Content -> place Checkmarks on:
1) Block Pop-up windows 2) Load images automatically 3) Enable JavaScript
-> go to Tools Menu -> Options -> Privacy -> History section -> '''Firefox will: select "Remember History"'''
-> 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
-> go to Tools Menu -> Options -> Advanced -> General -> Remove Checkmark from '''Warn me when websites try to redirect or reload the page'''
-> go to Tools Menu -> Options -> Advanced -> Network -> Offline Storage (Cache): click '''Clear Now''' button
-> Click OK on Options window -> Restart Firefox
Check and tell if its working.

Firefox unmaximizes itself when switching tabs in task bar

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