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Why does Firefox get into an infinite loop for "mac_plugin_interposing_child_OnShowCursor"?

I get infinite loops in Firefox from certain webpages. I tried Safe-Mode, and couldn't even get to the main site causing an infinite loop in Firefox (Apple Bug Reporter)… (read more)

I get infinite loops in Firefox from certain webpages. I tried Safe-Mode, and couldn't even get to the main site causing an infinite loop in Firefox (Apple Bug Reporter), but could get there in Chrome or Safari. I used Activity Monitor to Get Info for Firefox, and then took a Sample. There were 375 instances of "mac_plugin_interposing_child_OnShowCursor", along with 107 instances of "DumpCompleteHeap". This problem is occurring on three separate Macs running the same or different versions of Firefox. One is 10.5.8 (Leopard) with FF 16.0.1. The other two are Mac 10.6.8 and Mac 10.10.5, each running FF 41.0.2 (latest FF). This infinite loop has also occurred in at a kp.org site where I was trying to view a doctor's profile. I have a 1647 line Sample.Firefox.txt that shows what happened in Safe-Mode attempting to get to Apple Bug Reporter. That file is 217Kb in size, and I'm willing to attach it to an email to Mozilla.

Asked by DICKGUERTIN 4 years ago

Last reply by DICKGUERTIN 4 years ago

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Can Firefox be optimized for google docs

When I bring up a spreadsheet online in google docs Firefox starts dimming the screen, others tabs run slow. The screen dimming will last, for 2-3 minutes, and then clear… (read more)

When I bring up a spreadsheet online in google docs Firefox starts dimming the screen, others tabs run slow. The screen dimming will last, for 2-3 minutes, and then clear up, 2-3 minutes later it will dim again. The fewer tabs I have helps, but not the answer. IMO the problem has gotten worse over the few upgrades. I have an HP 2000 Laptop, CPU 1300.000 MHz, memory 7586 MiB.

Thx, Larry

Asked by l6griffin 5 years ago

Answered by l6griffin 5 years ago

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poor browser performance lately

For about the last month I have seen my Firefox browser get very slow. I also see for a brief time, a message at the top that says "Firefox not responding" when I access … (read more)

For about the last month I have seen my Firefox browser get very slow. I also see for a brief time, a message at the top that says "Firefox not responding" when I access a web site. This message at the top of my screen window only lasts for a short time, and then disappears. I would appreciate any help and suggestions that may help my problem. Thank you.

Asked by sciencemagic 3 years ago

Last reply by sciencemagic 3 years ago

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How Come So Much Memory Usage

Windows 7 64-bit Desktop. Firefox 58.0.2 I had 3 tabs open. While browsing my computer slowed to a crawl. I have experienced this many times. Even disabled my two addons … (read more)

Windows 7 64-bit Desktop. Firefox 58.0.2

I had 3 tabs open. While browsing my computer slowed to a crawl. I have experienced this many times. Even disabled my two addons with the same result. What can I do?

See the screenshot.

Asked by rwmol 2 years ago

Answered by rwmol 2 years ago

I just installed windows 10 and now firefox doesn't work right = very slow, it was fine before

I just upgraded my computer to a 1 tb hard drive and installed windows 10. Now firefox doesn't work right, example: I go on Facebook or another site and when I try to typ… (read more)

I just upgraded my computer to a 1 tb hard drive and installed windows 10. Now firefox doesn't work right, example: I go on Facebook or another site and when I try to type a post I have to type 2 or 3 letters, then wait several seconds for them to appear. I have re-position my cursor and type 2 or 4 more letters and wait again. Can this be fixed?

Asked by paul160 4 months ago

Last reply by FredMcD 3 months ago

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Websites become unresponsive but can still be scrolled through and the hand cursor appears all the time

In the past weeks, suddenly my Firefox started behaving really weird - a few times a day the currently opened tab becomes unresponsive (you can't click or hover anything)… (read more)

In the past weeks, suddenly my Firefox started behaving really weird - a few times a day the currently opened tab becomes unresponsive (you can't click or hover anything) but you can still scroll through them (at least a bit - after that point, it's just plain white). At these times, the cursor is the hand one, during the whole unresponsiveness episode, as if everything was clickable (though obviously clicking does nothing). You also can't close the tab during this tab - the only way is either to wait a good 30 seconds for it to unfreeze or to change to a different tab and close the unresponsive one. When you do change tabs, though, the newly opened tab sometimes disappears completely, with a radial loading circle appearing in the middle of the screen for a few seconds before it magically reappears (it does _not_ reload, though!). From what I've been able to observe, this tends to appear on content-heavy websites like Reddit, Facebook and YouTube most often.

What is happening? I haven't changed my browsing habits in the past weeks, nor have I installed any new add-ons. I've tried disabling the ones I have but it's still happening with them turned off. What else may I try?

Asked by Tigro 2 years ago

Last reply by Pj 1 year ago

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Performing TLS Handshake slowdowns

Recently Firefox has become nearly unusable. Opening links are *_sluggish_*... They eventually complete but it's annoying - I've switched back to brave for now. https://… (read more)

Recently Firefox has become nearly unusable. Opening links are *_sluggish_*... They eventually complete but it's annoying - I've switched back to brave for now. https://support.mozilla.org/en-US/questions/1175357 seems to be the exact same issue however nothing in the thread resolved my problem.

I'd like to stay with Firefox but it's not worth it at this time. :(

Any thoughts/help are much appreciated.

Asked by dovholuk 2 months ago

Answered by dovholuk 2 months ago

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firefox hangs intermittantly, firefox health report just runs rotating circle, can not ask question on firefox community, using IE right now

new computer, ASUS zenbook, windows 8.1, Norton Internet Security, firefox 36 when I try to use firefox to ask a question on this site nothing happens when I press the su… (read more)

new computer, ASUS zenbook, windows 8.1, Norton Internet Security, firefox 36

when I try to use firefox to ask a question on this site nothing happens when I press the submit button, am asking this by using IE

Asked by markminnc 5 years ago

Last reply by FredMcD 5 years ago

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  • Archived

Firefox recently started freezing every time I (a) try to open options (b) try to download a file (c) try to export bookmarks (d) try to move a bookmark around

Firefox within the last month has started freezing every time on a Windows 7 laptop every time I try one of the above actions. I have tried "refresh Firefox", safe mode, … (read more)

Firefox within the last month has started freezing every time on a Windows 7 laptop every time I try one of the above actions. I have tried "refresh Firefox", safe mode, uninstall/reinstall, nothing seems to help. Can't open prefs so I have not been able to turn off hardware acceleration. However, I was able to set up Firefox Sync which let me get my bookmarks to another PC and it looks like make setting changes on that PC affects this copy of FF so I <think> I've also tried turning off hardware acceleration. Nothing works. Especially frustrating that the options freeze. Firefox has worked for years on the affected laptop, is there anything I can do except give up and switch to another browser?

Asked by caraquenatb 5 years ago

Answered by caraquenatb 5 years ago

  • Archived

Website slowing website

Thought problem was just on MyPoints when viewing videos but occurred yesterday at InBoxDollas while playing a game. 9/15 - Attached is one of the video screens with the… (read more)

Thought problem was just on MyPoints when viewing videos but occurred yesterday at InBoxDollas while playing a game.

    • 9/15 - Attached is one of the video screens with the website slowing...... In this group Postables - almost all had this come up. Sometimes just froze there & when I refreshed screen this ... website slowing.... came up & I had to StopIt for video to continue. {Often the screen would be Black as attached shows, sometimes black with an x in the middle so I refreshed}**

Last night I deleted History (except for personal.). Opened MyPoints this morning & went to Postables where half or more of the videos had this popup line stating Website slowing...... & I had to keep clicking on StopIt. I went to the video in image I added but the 2nd from there had this popup - slowing website.... So I guess deleting history helped some perhaps - but is still there. {Searched last night & all the ideas/thoughts listed to stop this went back to 2016. Before deleting History, I went to registry & searched for Firefox Pioneer and also Shockware - None were found.

Asked by jcluvu22 8 months ago

Last reply by jcluvu22 8 months ago

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Firefox 62+ does not start

I had Firefox Developer Edition running for ages. Always kept it up to-date. Now the latest update made it stop working AT ALL. There is nothing. The executable pops up i… (read more)

I had Firefox Developer Edition running for ages. Always kept it up to-date. Now the latest update made it stop working AT ALL. There is nothing. The executable pops up in Taskmanager for a split second and then its gone.

I went back to beta. Worked for a couple days. Now an update came in: BAM! same thing! Now I have 2 broken Firefoxes on my PC.

Not even running the Profile manager worked!!

Back to standard version: Works

Asked by ewerybody 1 year ago

Last reply by Shadow110 1 year ago

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Firefox crashes second time for java select file applet for MACOS

We have one application where we have java applet program to select and upload file form the desktop to the server. While pressing first time "SELECT FILES" button, it w… (read more)

We have one application where we have java applet program to select and upload file form the desktop to the server. While pressing first time "SELECT FILES" button, it works fine, but for the second time it crashes. I tried finding issue with my code but it is working fine on all other browser. The moment I press select files second time, the waiting wheel keeps on rotating till my application crashes.

Asked by Anshuk 5 years ago

Last reply by Anshuk 5 years ago

  • Archived

Firefox very slow to close, pages open very slowly and I get a crash message on close

bp-cd94350e-7d4f-497d-af7f-f56fd2160205 04/02/2016 9:05 PM bp-7fbd5667-5d55-47a0-8c9b-d68b32160205 04/02/2016 8:30 PM This is a fresh install (I uninstalled and remove… (read more)

bp-cd94350e-7d4f-497d-af7f-f56fd2160205 04/02/2016 9:05 PM bp-7fbd5667-5d55-47a0-8c9b-d68b32160205 04/02/2016 8:30 PM


This is a fresh install (I uninstalled and removed all folders and registry entries before reinstalling). Ive run scans for infections.

Firefox is very slow to bring up pages (30 seconds minimum) while IE and Chrome are normal.

When I close FF, the firefox.exe process doesnt' close for 3 to 5 minutes ad then I get a "Firefox crashed" message.

I'm seeing this on a ton of machines (7 and Vista).

Please help!

Asked by brundleflyguy 4 years ago

Last reply by FredMcD 4 years ago

  • Archived

Firefox extremely slow to load web pages, Explorer works fine.

Hi all, I'm using a MSI GF62-7RD laptop running Windows 10 64-bit, latest Firefox version (59.0.2 64-bit). For the last few weeks Firefox on my laptop has been taking yea… (read more)

Hi all, I'm using a MSI GF62-7RD laptop running Windows 10 64-bit, latest Firefox version (59.0.2 64-bit). For the last few weeks Firefox on my laptop has been taking years to load almost all web pages, while Internet Explorer on those same occasions was able to load the same pages in good time. The annoying thing is that Firefox on my desktop (Windows 7) is not similarly afflicted. And to make matters even stranger, my laptop when using other internet connections (at friends' houses etc.) is able to use Firefox without the speed issues I get at home.

This problem was also present intermittently on my last laptop (also MSI with the same OS), but now it seems to be a permanent state of affairs. I have variously in the past tried disabling accessibility services, refreshing Firefox, and doing a complete re-install (including deleting all Mozilla folders in the user's Appdata folder). Nothing seems to help....

Asked by MightySpatula 2 years ago

Last reply by FredMcD 2 years ago

  • Archived

How do I solve web page slowing down browser

Hello, I still get the yellow bar message saying a page is slowing down the browser. I tried Safe Mode and disabling plugins already. l have 3 plugins that are disabled.… (read more)

Hello,

I still get the yellow bar message saying a page is slowing down the browser. I tried Safe Mode and disabling plugins already.

l have 3 plugins that are disabled.

352ff259-16b6-4c6f-9635-f1289bd8ae14 01-Jun.-2018 8:59 a.m. 4535eb0e-edc9-4d8e-97f9-efb76aef76d0 11-May-2018 9:01 p.m. 303dea01-f81e-4d66-bc8e-57cda0c899eb 03-May-2018 4:51 p.m. 2eae4f82-f875-4b4f-bff1-6ccee803ea48 22-Apr.-2018 12:53 a.m. 9659dc56-7934-44ce-8234-1a7028e928f1 20-Apr.-2018 8:04 p.m.

I dont have tech skills so I prefer not to do any fiddling behind the scenes.

Thanks for your help.

Asked by julielu 1 year ago

Last reply by julielu 1 year ago

  • Archived

Firefox constantly freezing (flash, scripts, etc always stop working). Firefox is completely unusable.

For the past few months or so, Firefox has become completely unusable for me. About every five minutes or so, the browser freezes, and I have to kill the process in orde… (read more)

For the past few months or so, Firefox has become completely unusable for me. About every five minutes or so, the browser freezes, and I have to kill the process in order to re-launch it. I've tried clean uninstall/reinstall, removing all add-ons, etc. Nothing seems to work. I've installed it on 4 of my computers, and it freezes on all of them (Windows 7 Ultimate, Windows 7 Professional, and Windows 10).

Has anybody had any luck fixing the instability, or am I just stuck with Chrome?

Asked by storm311 4 years ago

Last reply by FredMcD 4 years ago

  • Archived

Firefox suspends/hung while openning new tab - Quantum v58.02

Hi Firefox keeps on suspending when switching between different tabs (already opened or new tabs). When the FF is hang I can do nothing in the FF, but I can operate on th… (read more)

Hi Firefox keeps on suspending when switching between different tabs (already opened or new tabs). When the FF is hang I can do nothing in the FF, but I can operate on the Windows (8.1) without issues.

I have already tried: - Put new Firefox portable - the same issue - Close other tabs - Disable EMET for Firefox - Prevent accessibility services from accessing your browser set to True - Security.sandbox.content.level set to 2 - Disable add-ons plugins and start in safe mode

Nothing of above helps. I would appreciate If you could provide the solution. I attached Troubleshooting information.

Asked by essential 2 years ago

Last reply by FredMcD 2 years ago

  • Archived

Firefox continuously uses excessive ram causing pc to slow to a crawl

Running Linux Mint, Firefox is latest version, PC has 8GB of RAM, yet when running Firefox gradually uses more and more ram till all is gone, only fix, close and restart … (read more)

Running Linux Mint, Firefox is latest version, PC has 8GB of RAM, yet when running Firefox gradually uses more and more ram till all is gone, only fix, close and restart Firefox.

Removed all addons, no change! SET Prevent Accessibility Services from accessing your browser to true, no change! Under performance set content process limit to 1, no change (I suspect this is a fake setting, it has no effect on number of processes!!)

PS Everyone else I know that uses Firefox has the same problem, is Mozilla trying to kill it?

Asked by Charles8 2 years ago

Last reply by Shadow110 2 years ago

  • Archived

After ~20 minutes Menus, Function Pop-ups (e.g. Print), and Links to open new pages stop working requiring a complete FireFox restart to get another 20 minutes.

Whenever I am using Fire Fox after about 20-30 minutes the menus (even the main menu icon), function pop-ups (e.g. click on the print icon to get the print pop-up asking … (read more)

Whenever I am using Fire Fox after about 20-30 minutes the menus (even the main menu icon), function pop-ups (e.g. click on the print icon to get the print pop-up asking number of copies, click on a download icon to get the pop-up asking destination), etc. stop working. This happens all the time independent of what site(s)/tab(s) I have open at the time. Tabs still work (a new tab will open). Sometimes I am actively using Fire Fox at the time, other times it is open but not my active window (in this scenario when I return to make it the active window again I find that the problem has occurred). Once in a while it will try to open something that generates an error message (NS_ERROR_FAILURE):

JS frame … contentCache … js::ObjLayerActionGoToNewWindow::line 7 data:no

In this case it was trying to open a survey window at the end of a course I had just completed. Most of the time I don't see an error message - just an audible ding and nothing happens.

When this problem occurs I have to completely restart Fire Fox to clear the problem - for another 20 minutes.

I've tried clearing the browsing history, turning off hardware acceleration, making sure pop-ups are enabled, and installing the latest version of Fire Fox (63.0.1). I'm not sure what else to try.

My laptop is Windows 10. According to Fire Fox these are the installed plug ins: OpenH264 Video Codec provided by Cisco Systems, Inc. Widevine Content Decryption Module provided by Google Inc. Shockwave Flash

Asked by DianeP 1 year ago

Last reply by DianeP 1 year ago