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Whenever I use Facebook dynamic search, Firefox stops responding. This issue also involves writing a new post/comment using the at-sign, which starts dynamic user search.

• Before update from FF27 to FF28 it did not happen. (I use Windows 7.)
• Safe mode does not help.
• Clearing cache and deleting Facebook cookies does not help. Neither new profile nor clean install helps.
• There are no crash reports within Firefox as well as no Windows error logs generated.
• Other browsers on this computer do not have this problem, another computer with FF28 that I use works well. Firefox 28 on this computer with Ubuntu Linux works.

Edit: I got Firefox not responding even at going through conversations (messages). So I can generalize that any operation at Facebook, during which three "waiting" bars appear, can lead to the not-responding state of Firefox.

After updating to Firefox 27 all webpages take a few dozen seconds to several minutes to load. When loading a webpage Firefox's status displays "connecting" and the CPU gets maxed out with 95 to 100% of its cycles taking by Firefox.

The computer is older so it is a little slow but Internet Explorer 8 has no trouble opening the webpages and neither do other computers on the LAN so it is not a network issue. I have tried restarting Firefox, disabling add-ons, deleting add-ons, disabling hardware acceleration, restarting the computer, and reinstalling Firefox after wiping every trace of it and its user data from the hard drive and registry.

CPU: AMD Athlon 2800+ 2.08GHz RAM: 1GB OS: Windows XP Home Edition Service Pack 3 32bit

Comments by a forum moderator.
(Modified April 30, 2014 12:11:58 PM BST by John99 ) ~J99
Rather a long thread so I will add some comments here where easily seen.

• For general problems please see my post /questions/985969?page=3#answer-546520
  Updated 30th April 2014 to mention the outstanding known issue (aka the bug with only three votes)
• Just below that jigebren has kindly summarised some workarounds at that particular time and the issues found from this thread /questions/985969?page=3#answer-546599

 Modified June 18, 2014 6:08:41 AM PDT by John99

• Workaround,
  A chrome hack to disable the throbber may resolve the issue as a workaround allowing pages to load quickly. See my post /questions/985969?page=4#answer-595327

The Firefox plugin checker is reporting "vulnerable - Update Now" for my Java Deployment Toolkit 7.0.510.13. and Java(TM) Platform SE 7 U51 plugins.

The 'update now' link takes me to the Java download page which invites me to download the latest Plugin 7.51. but i already have 7.51 installed so the plugin checker is incorrectly displaying "vulnerable - Update Now". I have had 7.51 installed since January 17th and run the plugin checker on a weekly basis so i'm not sure why it has suddenly decided that this is a vulnerable plugin.

I am running Firefox 28.0 on Windows 7

thanks ...

I am having problem with Firefox -- as I keep using it (opening more tabs and stuff) it grows in memory usage. I think there might be leaks somewhere, but that is not by itself a problem -- I have plenty of memory.

However I repeatedly observe that upon reaching approximately 1.5GB of memory usage Firefox starts 'micro stuttering' -- scrolling is nowhere as smooth as it is when it just started, text input is not smooth and so on. This is supremely annoying. Firefox restart completely fixes the issue (until the next time), but it is also not a terribly convenient solution (tabs have to reload next time etc.).

This is observed both on Firefox 24 ESR and Firefox 28. The difference is that Firefox 28 takes much longer to reach 1.5GB barrier (so apparently there have been some optimizations).

I do use a bunch of addons. However disabling them is not really an option because I find 'clean' Firefox pretty much unusable (I'm coming from Opera 12).

I'd like to provide memory reports (from about:memory) however I need to understand how to anonymize them (they appear to contain lots of URLs some of which I'd rather not share).

Can these reports be used to pinpoint misbehaving addon (if there's one)?

Also -- are there 64 bit builds of Firefox 24 or 28? Basically non-alpha stuff with old-style UI? (I've downloaded some kind of alpha 64bit for FF 31 but it looks completely different and I'd rather not deal with it while it's still in alpha)

Just got a new computer, really excited, but heard that firefox changed and I don't like the firefoxes that I see in recent computers.

I'm still using an old windows xp computer, with firefox 28 I believe.

My new computer is a windows 8.1, and it has all the new bells and whistles. My current version of firefox on XP looks like this:

http://i.imgur.com/nnRjFFk.png

Basic, very simple, just the way I like it. I just want my add-ons and my bookmarks, with everything placed in exactly the same way as it is in that picture (a friend of mine's firefox actually has the home/refresh/stop buttons on the right, what the heck?)

Want to know what's the step by step actions I need to undertake to transfer my firefox as soon as possible and start using my new computer. Would appreciate the help thank you.

So, the computer I'm using had a computer virus that needed removing. We took the computer to "Microcenter" (computer experts) & they removed the virus. The thing is, in the process of removing the virus, they got rid of all my browser history (at least from the sidebar of the browser window). So, was wondering if there was any possible way of getting it back or finding it? Please. If anyone could help me, I would really appreciate it. Thanks.

Hello!

I've exhausted my resources trying to work around a bug between HTML5 player and Firefox, and I was hoping you could help.

My embedded videos, which primarily uses HTML5 player plays back extremely choppy with Firefox (when in full screen). I spent several hours consulting with lead technicians at Vimeo, and they informed me that there is an incompatibility with Firefox and HTML5. I then had a developer code the site to use Flash for Firefox, and HTML5 for all other browsers. Now my CSS for the videos no longer works, and I'm still trying to figure out a work around for this as well.

This does not feel good to use older technology to get my videos to work properly, especially since I've always seen Firefox as cutting edge (it's my favorite browser, you know ;)). I really wish I could go back to using HTML5 for ALL of my browsers, but I really cannot have the videos playing choppy.

Is there any information you could offer to help? I surely would appreciate it.

My website is thenourishedcook.com/dev. This is the last item to be completed before the site goes officially life. Hopefully soon!  :)

Thank you kindly, Sharon

I normally have more than 1 tab open and Outlook is one of them. When I am on another tab, I normally see number of new emails received when new one arrives. But this is not the case recently.

While using Rogers.yahoo mail in FireFox, the screen freezes after every 2-3 actions (read email, delete email, respond to email, move email to folder etc.). I have to refresh the screen and then it goes along for another 2-3 actions and I have to refresh again. Very frustrating. I opened the same email account in Google Chrome and IE and it works fine there. This started happening yesterday. In perhaps an unrelated thing, I get this error message every day, once, when I start up my PC for the past 2 months: Microsoft.NET Framework Unhanded exception has occurred in your application If you click Continue, the application will ignore this error and attempt to continue. If you click Quit, the application will close immediately. Unable to load DLL 'hppatusg01.dll': The specified module could not be found (Exception from HRESULT:0x8007007E)

How can I make Firefox restore all my tabs from the cache instead of fetching all pages? All I want to achieve is that Firefox simply is in the exact same state as it was when it was last closed. This was no problem with Opera, but I couldn't achieve this with Firefox yet. I have disabled the "Don't load tabs until selected" option because the delay when switching to a tab annoyed me. But now Firefox always reloads all pages on startup which also is not what I find the sensible thing to do. Is there a "about:config" setting I could tweak to have Firefox load everything from its cache so I can continue working without having to reload all pages?

everytime i open the browser an unresponsive script pops up, now this is no big deal as i click the 'stop script' option, the problem is with the later firefox versions, im currently on 28 and cannot upgrade due this problem. with any later version it gets much worse, everytime im opening the browser, it freezes and im having these unresponsive scripts popping up every minute, only after about 4 minutes of frozen firefox i can start working normally. now i tried backing up the old bookmarks into HTML and JSON files and restoring them with a crystal clean ff copy but it keeps giving me the script thingy. any way to solve this? thanks community

Hello all, My add-ons are not updating - neither automatically when I open FF nor when I go to the addons page and press "update now". When I go to the mozilla addons webpage and install a new version of addons this works sometimes and sometimes I get "This add-on could not be downloaded because of connection failure" I have "update addons automatically" checked. I have FF 28.0 (I don't like the new FF 29)

Please help, Thanks!

I stupidly did a Refresh on Windows 8.1 when having trouble with Clean Up disk not working. I know that i need to find the hidden files from other questions on here, and have checked the box for this, but how do i actually access these files, to get them back onto my Desktop. have lost Firefox history and bookmarks,my Avast Security,etc etc. I believe that i can retrieve them, is this right? I am not terribly computer literate but can follow instructions if they are kept simple. many thanks anyone.

I have an issue with "save as". Can't download whenever I want to choose where to copy something (plus a few other related bugs). Seems not to work when an explorer window is supposed to pop up. I found in FF troubleshooting, that the following 3 files were missing in my "about:config": browser.download.dir browser.download.downloadDir browser.download.lastDir My question is how can I enter them properly? Hoping that's the cause for this issue.

My firefox has been "not responding" and then crashing several times a day basically every day for a while now, maybe a month or two on my Mac. This usually often happens on the site Redfin.com but on other sites as well. The things I can remember that I've done to try to fix it include:

-deleting my firefox user profile and making a new one with all new info
-turning off hardware acceleration
-working in firefox safe mode
-running disk utility on my computer
-running an malware check on my computer, which was clean
-updating all my apps/running software update

Despite the above changes, it continues to crash.

I am using AMD A10-7700K cpu with Windows 7 x64, this error window immediately appeared when I double click the icon of "Firefox 42 x64" on my desktop.

"Firefox 42 has stopped working", Please HELP!!!

Can play BBC news videos. I have removed Ad block plus to no avail I have un checked block pop ups I have deleted all history and cache from Firefox. Sky News videos play on Internet Explorer. I have all the latest updates. I unchecked Hardware acceleration but to no avail. My Flash player is version 12.

When I open a new tab, the page come us either blank, or with the grid. There is no search engine setting, no way to customize it the page with personalized photos, nothing.

Asking this same question that just got closed with no answer. I want to know how to fix this too please...

Up until tonight's forced downgrade to version 29 form version 28, double clicking in the tab bar would open a new tab. I hate the 'new tab' button. It is a waste of space, easily accidentally clicked, and redundant since a simple double clicked open(ed) a new tab. I therefore use the remove new tab button add on to get rid of it and now need to know how to turn the double click back on in version 29?