How do I prevent Firefox from using random, incorrect icons? (Win8.1)

I have this strange problem where Firefox (v30.0) is using random, incorrect icons both in the GUI and on certain web pages (especially Gmail). When I use the mouse to hover over the icon it then switches to the correct icon. I've tried restarting Firefox, reinstalling Firefox, reinstalling Firefox with reboot, nothing helps. I can't find anything on this in user forums. These seems to have just occurred in the past 2 weeks, not sure if there was a Firefox update involved.
Thank you for the help!

You can try to disable hardware acceleration in Firefox.
*Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
You need close and restart Firefox after toggling this setting.
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Similar Messages

Prevent firefox from using HTML5 player in Youtube.

How do I prevent firefox from using HTML5 player in youtube and use flash player instead? I am not sure what advantage HTML5 has over Flash. I noticed that Flash plays smoother than HTML5 and there is also a difference in quality of the video at low resolution. HTML5 does not seem to have smooth streaming compared to Flash. I may be wrong and I am ready to learn the advantage of HTML5 over Flash. But until then I wish to revert FF to its previous behavior of playing in flash.
If there is no way of bypassing this player (html5), how do I set it to ask before I allow it to play the video? I dislike videos playing automatically as soon as I open the link or any websites (reason why I set Flash player to 'ask to activate').
Thank you for your generous help. :)

I found info here
* http://www.ghacks.net/2014/07/17/google-enforces-html5-youtube-firefox-33-newer/ <blockquote><snip> .... What this means is that Google will enforce the use of HTML5 video on YouTube for all Firefox users who use Firefox 33 or newer on their system to do so (Note this means Firefox Nightly currently, but on Tuesday also Firefox Aurora).
Update: Google seems to have delayed the change. Firefox 34 users can switch players right now on the site. .... <snip></blockquote>
In fact must choose earlier than 33 so I used
''Mozilla/5.0 (Windows NT 6.1; WOW64; rv:37.0) Gecko/20100101 Firefox/32.0''
Other add-ons are available I used
User Agent Quick Switch 5.0.2
From https://addons.mozilla.org/firefox/addon/user-agent-quick-switch
(It does not even report correct homesite)
* A Search <s>[https://addons.mozilla.org/firefox/search
/?q=user+agent+switch&appver=35&platform=WINNT]</s>
* '''2nd edit''' fixed link [https://addons.mozilla.org/firefox/search/?q=user+agent+switch&appver=35&platform=WINNT]
View from Fx37 & View spoofing Fx32 attached
P.S. Left click thumbnails to view larger version. Modified January 31, 2015 2:10:40 PM BST by John99

Firefox connects to google-analytics for some sites, and then gets stuck, and I can never get onto the site. How do I prevent Firefox from connecting to google-analytics? I use XP with service pak 3 in English

Firefox connects to google-analytics for some sites,when i click on links in websites or emails and then gets stuck, and I can never get onto the site. Or opens a new bower behind the one i'm usind that's blank i don't even know it's there untill i close the one i'm using. How do I prevent Firefox from connecting to google-analytics? Or opening a blank bowser behind the one i'm using. I use XP with service pak 3 in English
== This happened ==
A few times a week
== a couple months ago

I got the same issue.
I go on a website and all the sudden another window pops up with "results.google-analytics.com" or "search.google-analytics.com". It has often ads for other sites for example. black single dating site
how can I can I stop that from happening again?
I didn't download or do anything, just visit websites, that I visit on a regular basis.
OS: Windows XP
Firefox Version: 3.6.6

How can I prevent Firefox from cleaning my clipboard at exit (exit or closing firefox) ?

How can I prevent Firefox from cleaning my clipboard at exit (exit or closing firefox) ?
I am using FF 9.0.1 and the problem start from FF 5.0

You can't prevent that. 
If you've placed data on the clipboard in Firefox then you need to paste that data in the other program, if that is your intention, before closing Firefox.

How can I prevent Firefox from re-installing test pilot?

I had removed the test pilot extension and its feedback button in Firefox 4.0b9. I let Firefox upgrade itself to 4.0b10 and didn't notice that silently re-installed it.
I was typing in another application when suddenly that window was minimized and the focus shifted to a Firefox "new test pilot study" window that popped up. Even if I had given permission for that software to be installed, that is rude.
I am not willing to trust that if I disable this logging software that it will stay disabled the next time I upgrade. I will remove test pilot again. '''How can I prevent Firefox from re-installing it?'''
One way might be to set extensions.rdf read-only. However, I do not wish to lose the ability to install add-ons, I merely do not want anybody (including Mozilla) to install an add-on without my permission.
https://bugzilla.mozilla.org/show_bug.cgi?id=519357 doesn't seem to address this problem as test pilot is a known component. Its not a plug-in so I can't modify the plugin scanning settings to prevent it from being loaded. Is there some way I can reliably supplement http://www.mozilla.com/en-US/blocklist/ with a local block list file? If so, would I have to update that whenever a new version of test Pilot is released?
http://support.mozilla.com/en-US/kb/Add-ons%20blocklist

I'm not sure what you mean by "re-directs e-mails." Are the recipient addresses changing between the time you address the message and the time it is sent?
If you could provide more information I think that would help in tracking this down.
When you use Firefox to work with your webmail site, whether Yahoo! or Gmail or another, the mechanics of sending the mail are handled by the site itself. So if there is a problem with how messages are addressed, then you may need to check your Yahoo! mail settings.

HT1689 I don't want my visa being used for ITunes. I have an ITunes card. How do I prevent ITunes from using my Visa

I don't want my visa being used for ITunes. I have an ITunes card. How do I prevent ITunes from using my Visa?

It automatically uses the gift card balance first.

How do I prevent Firefox from "cycling" the tabs?

How can I prevent Firefox from cycling the tabs?
I like my tabs where they are. I have a good memory. If a tab is at the left, I want it to stay at the left. I do not want firefox to move the activated tab around, under any circumstance. Where there's code in the Chrome to make a tab move without the user dragging it, I want an option to prevent this from ever ocurring. Movement of tabs is very disorienting. I am not talking about scrolling. I am talking about when there are 6 tabs open and the rightmost 5 keep changing places without user interaction.

You can check the home page setting.
*Tools > Options > General > Startup: Home page
*https://support.mozilla.org/kb/How+to+set+the+home+page - Firefox supports multiple home pages separated by '|' symbols
If you do not keep changes the you can check for problems with preferences and try to rename or delete the prefs.js file and possible numbered prefs-##.js files and a possible user.js file to reset all prefs to the default values.
*http://kb.mozillazine.org/Preferences_not_saved

How do I prevent Firefox from switching me to the "working offline" mode in the midst of my online gaming?

I'll be on-line, playing a game or surfing the web and the next thing I know I don't have an internet connection. I click on "repair internet connection" and get the feedback, "unable to repair. I click on file and see that there is a check mark by 'work off-line' which I never checked. How can I prevent Firefox browser from automatically switching me over to the off-line mode whenever it feels like it. Very frustrating! Happens more than a few times a week but not every time Firefox is open.

Create a new Boolean pref with the name network.manage-offline-status and set the value to false.
Right-click on the about:config page to open the right-click context menu and use "New > Boolean" to create a new Boolean pref.
Name: network.manage-offline-status
Value: false
See also http://kb.mozillazine.org/about%3Aconfig

How do I prevent firefox from loading page when I type in first few letters?

I am giving my laptop to my daughter. I deleted history and emptied cache. Yet if she were to type the letter 'c', an adult site I have visited pops up - WITH MY USERNAME AND PASSWORD ALREADY TYPED IN! This gives her full access to my adult activity on the site.
How do I prevent this from happening? I want to totally remove this site from firefox's 'memory', especially the username and password.

To log you out of all websites your gonna want to clear the cookies:
* Firefox in top left corner > Options > Privacy > Show Cookies >Remove all Cookies
I would also recommend resetting Firefox if you are no longer gonna use it yourself :
* Firefox in top left corner>Help>Troubleshooting Information>Reset Firefox
See here for more information:
[[Reset Firefox – easily fix most problems]]
[[Delete cookies to remove the information websites have stored on your computer]]

How can I prevent Firefox from checking whether Adobe Flash is up to date?

I just updated Flash a week ago and already Firefox is prompting me to replace the update with the message "Firefox has prevented the outdated plugin Adobe Flash from running on" (etc.) How can I prevent Firefox (I'm using version 35.0.1) from running this check forever?

"Add-ons" is a mis-leading term, regarding what appears in the Add-ons Manager tab. "Addons" includes Extensions, Search Engines, Themes (Appearance), User Scripts, Styles, and Services - all of which the "Updates" can be controlled by Firefox preferences. "Plugins" are shown in the AOM too, but unlike the others, Firefox has no control over updates for Plugins. As James mentioned, Plugins aren't installed within Firefox as the other categories of "Add-Ons" are - and updates are controlled by the application that installed the Plugin that Firefox uses from each application's own set of folders or wherever in Windows files the Plugin is placed by the installer.
IMO, the biggest problem with Flash is that it is set by default to only look for an update once a month. So when Adobe updates Flash multiple times a month (3 "updates" in January alone) the Flash updater can'r catch each update as it occurs, or even within an acceptable "window of time". A user might "fall behind" as many as 3 new version releases quite easily.
As far as clicking to "Allow" each video when you're behind a version or two with Flash, at least Mozilla does a "soft block" and permits you to "Allow" - a "hard block" would make it impossible to use Flash at all. And "yes". Mozilla ''can do" a "hard block" when necessary.
In conclusion, Flash is a dying technology, which deserves to be buried. It is too "exploitable" by the "bad guys". All the recent "updates" are for security patches for fixing "holes" in Flash and stability fixes to an old application that "has seen better days" (like 10 years ago).
HTML5 Video looks like the future. Use it where you can, like at YouTube which gives you a choice for many videos they host - but you you need to enable that feature in Google preferences or all you're liable got get is Flash videos. With other websites, their users need to tell them that they want HTML5 videos only.

How can I prevent firefox from displaying an overall black page after I request a topic search in the google/firefox search box? Not able to see results

I loaded Mozilla v31 on my PC laptop which uses Windows XP operating system with all current updates. When I click on my internet icon, it leads me to the Mozilla page with a Google search bar. Once I type a topic in and click for the search to begin, the Firefox page turns all black and I am not able to see any results or action being taken. I click on the back arrow and enter a new topic, and click on search button, it repeats the same behavior and the Firefox page turns black. Essentially Mozilla Firefox is not a usable browser unless I can fix it. Help!

When this happens, has the address bar changed to a google.com address or is it still blank?
Some graphical glitches are caused by an incompatibility between Firefox and your graphics card drivers. The standard workaround for bypassing this is to disable Firefox from using hardware acceleration. You can make that change here:
"3-bar" menu button (or Tools menu) > Options > Advanced
On the "General" mini-tab, uncheck the box for "Use hardware acceleration when available"
That will take effect the next time you exit Firefox and start it up again.
More generally:
When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.
(1) Bypass Firefox's Cache
Use Ctrl+Shift+r to reload the page fresh from the server.
Alternately, you also can clear Firefox's cache completely using:
"3-bar" menu button (or Tools menu) > Options > Advanced
On the Network mini-tab > Cached Web Content : "Clear Now"
If you have a large hard drive, this might take a few minutes.
(2) Remove the site's cookies (save any pending work first). While viewing a page on the site, try either:
* right-click and choose View Page Info > Security > "View Cookies"
* (menu bar) Tools > Page Info > Security > "View Cookies"
In the dialog that opens, you can remove the site's cookies individually.
Then try reloading the page. Does that help?

How can I prevent Firefox from automatically updating?

Hello,
I am trying to prevent Firefox 28 from automatically updating to Firefox 29 (on OSX 10.7.5).
I have the option "Never check for updates" checked under 'Update' in the 'Advanced' Preferences. I have "Automatically update Search Engines" unchecked. I have uninstalled Firefox 29 completely using two separate uninstall clean-up kits and emptied the trash before re-installing Firefox 28... Yet every time I finally re-arrange, customize and re-sync Firefox 28 back to the way I like it, I restart my Mac and Firefox 29 rears it's over-drawn, bubbly, space-wasting, UN-SYNCED, ridiculous tabs on top nonsense user interface.
I've tried to work with Firefox 29 but the new SYNC simply does not work and that's a deal breaker. I need the changes I make on my mac to be reflected across the other two systems on my desk (one WinXP, one Win7) and vice versa. When I try to sync on FF29 it takes me to a page to log in and then refuses to recognize my email and password (which I have thoroughly confirmed on my other systems as correct).
Can you please help me prevent Firefox 28 from automatically updating to Firefox 29?

Thank you for your comments, cor-el.
Yes, I know about Classic Theme Restorer, but the point is what gives Mozilla the right to update my Firefox when I already have quite clearly set every option to prevent automatic updates?
I have set:
app.update.auto - false
app.update.enabled - false
app.update.silent - false
So which secret magic setting has Mozilla used to bypass all these settings and what gives them the right to do it?
Also, moving the tabs bar and menu bar and whatever else has been moved in Firefox 29 is a THEME change. It is not a security fix. Mozilla should not be in the business of changing the theme or look of Firefox. It is not their business how I want my Firefox to look.
Regarding "tabs", I have mine down the left side, so this tweaking of the tab bar position is pointless anyway.
To Mozilla, Just for absolute clarification, there is no way you can possibly justify forcing an update on users computers without their explicit acceptance.
What if someone found out how Mozilla forced the update? They could then force an update that is NOT a genuine Firefox release and do untold damage to peoples' computers.
So now I am forced to delete Firefox from my startup script and start it manually just in case their is another forced update that I can stop.
To cor-el, thank you for your post.
To Mozilla, you have lost the plot.

How can I prevent Firefox from being on top of Thunderbird?

For example, Tbird is open and on top of Firefox, which is open. I click to Forward a message, then address it. Then click to Send. The Forward screen closes and instead of going back to the Tbird messages screen, it goes back to Firefox. How can I stop this from happening?

There has been a change in where Firefox searches for plugins and the plugins folder in the Firefox program folder is no longer scanned for plugins, so Firefox won't find them anymore if they are installed in the plugins folder instead of the "browser\plugins" folder that Firefox now scans.
You can set the plugins.load_appdir_plugins pref to true on the about:config page to make Firefox scan the "<install>/plugins/" directory for plugins like the WMP plugin (np-mswmp.dll).
You can alternatively move plugins from "<install directory>\plugins\" to "<install directory>\browser\plugins\" (create this folder when missing) to make Firefox find them again.
*http://www.ghacks.net/2013/05/15/why-you-may-have-lost-access-to-plugins-or-extensions-in-firefox-21/
*http://mike.kaply.com/2013/04/24/major-changes-coming-in-firefox-21/
*https://support.mozilla.org/kb/windows-media-or-other-plugins-stopped-working

How do I prevent FireFox from disclosing my location even though I am using a USA proxy?

I am traveling outside the USA and have a USA IP address via a proxy but sites like NETFLIX and CBS can still tell I am not physically in the states. This is not the case with other browsers I have tried. Why is FireFox providing this information and how do I turn it off?
The proxy is not active as I send this question.

There is more than one proxy type. 
Only an anonymous proxy will hide the IP and build two connections, one between you and the proxy and a second connection between the proxy and the website that uses an IP from that proxy. 
A normal proxy merely passes all traffic without affecting it, so websites see your IP in such a case.
*http://en.wikipedia.org/wiki/Proxy_server

How can I prevent Firefox from cutting off the title of a webpage for use as a file name when printing/saving as PDF if there's a / in it?

Like it says in the question - when I try to print/save a webpage as a PDF, Firefox (version 36.0, Windows 8.1 64bit, German) usually uses the page's title as the file name. Slashes are, of course, not allowed in file names, but instead of just leaving leaving it out or replacing it with a hyphen, the title is cut off and everything before the last slash is gone, which in some cases results in very odd and misleading file names.
Is this a known bug? I couldn't find anything. So I'm just wondering if there's either going to be a fix anytime soon, or whether there is a simpler solution than to generate a different title sans slashes specifically for Firefox users.
Thanks in advance for Your help!

There is more than one proxy type. 
Only an anonymous proxy will hide the IP and build two connections, one between you and the proxy and a second connection between the proxy and the website that uses an IP from that proxy. 
A normal proxy merely passes all traffic without affecting it, so websites see your IP in such a case.
*http://en.wikipedia.org/wiki/Proxy_server

How do I prevent Firefox from using random, incorrect icons? (Win8.1)

Similar Messages

Maybe you are looking for