Firefox 技術支援討論區

No crash report, no trace, no anything. I click "Save [insert] as...", and Firefox hangs and stops responding. Windows automatically shuts it off when clicking. Launching Firefox again sometimes says there was a problem reloading the session, but that's not guaranteed.

I have a macbook pro running Sonoma 14.2.1. A few days ago I noticed the computer didn't update to the current version of Firefox when I attempted to do so after being prompted that an update was available. I went to "About Firefox" and saw the error message "Failed to check for updates". Please help. Thanks.

Out of nowhere, my cursor speed in Firefox has slowed to a truly unusable crawl. I refreshed a page and it was suddenly inching along at worse than a snail's pace. I'm using a USB trackball mouse. This is only affecting Firefox; no other applications have this issue. Using Windows 10.

Here's what I've tried so far:

• Restart Firefox
• Started Firefox in Safe Mode
• Restart computer
• Create a new profile in Firefox
• Check my mouse's firmware
• Try a different mouse

There was another question about this years ago, but the accepted answer about accidentally enabling a Windows accessibility feature doesn't say which feature it is or how to disable it (if that's indeed the case). The link also seems to redirect to a generic accessibility page.

Hi,ey Since a while, whenever firefox starts lagging, the space key is registered after other keys are pressed. I.e. when i type something like "this is a test" i get something like "thisisat est"; the space key is taken into account but at some random moment after some other keys are taken into account. What couldbe the cause and what can I do to stop this ? Thanks ! Ted

Sometimes when I open a new tab and start typing an address, the tab disappears as if it never existed. Don't know how to replicate it, as it is random and happens just often enough to disturb me. Also not sure at which point the tab dissappears, while I am typing or when I hit enter.

hhaexchange

Unable to open this site after entering username and password, it opens in all other browsers. I have cleared cache, enabled Javascript and mostly all common solutions i could google.

This is a problem I've had for a while and thought it would be eventually fixed, but no luck so far.

TL;DR - Almost every time I add or remove monitors my Firefox hangs.

More context: I use a PC laptop and constantly switch from using just the laptop screen to using just a set of two monitors, with the laptop closed. What I do is, I lock my machine, with Firefox open on the laptop screen, connect the monitors, close the laptop lid, and unlock the machine. That causes Firefox to hang and I'm forced to kill it and open it back again. It usually reopens all tabs without a problem but the issue is pretty annoying.

My current version is 125.0.2 and I'm sure the problem dates from several versions

I'm running Firefox 102.4.0 ESR (32 bit) on a Win-7 (32 bit) PC.

It works fine. I visit a LOT of websites, it works fine.

Until just now. I'm trying to bring up namecheap.com (a domain registrar) and I'm getting this message:

Secure Connection Failed An error occurred during a connection to www.namecheap.com. security library failure. Error code: SEC_ERROR_LIBRARY_FAILURE

I'm not given any option to alter any FF settings or to otherwise create an exception to "trust" this site to be able to access it.

I've read where changing security.pki.crlite_mode (currently 3) to something else (like 0) and I've tried that, and unless I have to close and restart FF for that to take effect (which I have not done) then that setting doesn't fix the issue.

What exactly is going on here? Why is only THAT SITE giving me problems?

When saving/opening file dialog is on screen the whole program freezes and take forever to unfreeze to the point I have to force quite the program. The problem seems to be only in Firefox.

Safe mode - same problem, Have done a complete refresh - same problem. Clean uninstall and reinstall - same problem.

Have moved to Chrome - similar problems.

After Firefox updates itself, the restarted browser session is unresponsive to mouse clicks - can't follow links, can't respond to UI dialog boxes, the browser is unusable for practical purposes. It's fixed after another manual restart. This unfortunately breaks all the streamlining Firefox has done to restore the session after an update, because none of that stuff works the same after a manual quit and restart. This is happening on MacOS, and it happens across multiple computers.

looks like a problem with Firefox as no problem when using a different browser e.g. Opera. Also cannot log onto Nextdoor.co.uk using Facebook to log on. Again works fine on Opera

Hello, I have a problem with Firefox on (only) the vive.com site. It shows a fast (same as Chrome/Opera) loading, but only on firefox it stays @ 99% a very long time, whereas on other browsers, in the instant, you can see the content of the page. You can test for example on that page: https://developer.vive.com/resources/vive-sense/

I work in a society where I need to have a brower with proxy support & security (firefox is the best to me) but that can work without waiting minutes to access a page, whereas it has been downloaded fast.

Opera is fast on vive.com, but that shit doesn't have proxy support, so I need configure firewall, put a gateway, and I really hate, it's a pure security fail (never put a gateway on windows, microsoft takes the control of your windows and scan your datas). We don't wish that in our society.

So I'm there to report you that, I think there is a problem and I really don't understand what can do firefox to make the user wait so much time, and it's not related to the processor, it's the same on my crappy laptop or on a brand new powerful 3D station. With opera, it's really in a second, and with firefox, it's a minute. Really weird.

Hello Mozilla Support,

Since 2 upgrades ago, anytime I try to watch a livestream, my browser slows right down and then crashes.

I don't care why its happening, I just want a definitive fix for the issue.

I'm so aggrieved at this happening constantly, if you cannot provide a firm resolution to this issue, i will simply move to another browser.

I've tried your about:config setting restart to false and other fixes but still keeps happening.

I await your reply.

With Regards,

Mark

Firefox (a new up-to-date install) has been very crashy on my new computer -- PC running Windows 11.

I ran troubleshooting mode and it shows 0 crash reports.

On my old computer, I had 4 Firefox windows open, a half dozen extensions, ~200 tabs and it was quite stable. This brand new install is running one window, 3 extensions, a dozen tabs open, and freezes and crashes pretty much every time I try to read my email (or do anything else that involves clicking).

How do get a stable Firefox?

Last months problem with Firefox, one process goes to 11-20% cpu usage+-, firefox does not load sites, freezes, after some time works again. Tried every solution and nothing. I have to wait or restart Firefox. I have similar problem on Android and notebook from work. You are unable to fix your browser but you complain that that MS, Google and Apple block independent browsers. Maybe the way to fix is reinstall Windows. GO TO HELL!!!

Dear Sir/Madam,

I need help with Mozilla Firefox 119.0.1 (64-bit) version which is almost not working internally without Internet link. When I try to open local internal site Mozilla Firefox waits to open https://www.bootstrapcdn.com/ Internet location which is unavailable because we are using the browser in isolated network and it is waiting for this site for more than 15 minutes before it opens the local site.

This is not the way we are expecting the browser to work so the question is can we disable this requests in Mozilla Firefox that we were not aware of and that are not asked from out side?

Thank you!

Igor Vanevski, IT administrator, Belgrade, Serbia

Any links from rcsearch.ru to aliexpress is broken in firefox, but works in another browsers. For example click any aliexpress link here rcsearch.ru/-c48920.