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Firefox browser is not launching on my pc

Suddenly on my PC the icon of Firefox turned white on both desktop and taskbar. And whenever I try to open Firefox, it says, "The file or directory is corrupted and unrea… (閱讀更多)

Suddenly on my PC the icon of Firefox turned white on both desktop and taskbar. And whenever I try to open Firefox, it says, "The file or directory is corrupted and unreadable." And I didn't make any changes myself. So far it was fine. Now what can/should I do?

michealwd8 於 1 個月前 詢問

Jatin Yt 最近回覆於 1 個月前

can't search for websites

I can't get Firefox to connect to web on my computer even though my computer is connected to working WiFi which is how I'm asking for help using my phone if I have to ins… (閱讀更多)

I can't get Firefox to connect to web on my computer even though my computer is connected to working WiFi which is how I'm asking for help using my phone if I have to install Firefox again on computer is there someway of doing it using the app on this phone I can't access the web on my computer with bing either

jonesjohnnyw135 於 5 個月前 詢問

zeroknight 最近回覆於 5 個月前

Recommendations for compiling firefox

Dear friends at mozilla.org, Thank you for your excellent browser, which I've used almost from its first versions. I'd like to compile its source code, which I've downl… (閱讀更多)

Dear friends at mozilla.org,

Thank you for your excellent browser, which I've used almost from its first versions.

I'd like to compile its source code, which I've downloaded from your website, into a working browser. I've spent several days, and get only as far as not-terribly-helpful error messages, that indicate strongly that I'm using versions of tools and libraries that the source code doesn't like.

I'm using

 linux kernel 6.1.0-13-686-pae (from Debian)
 gcc 13.2.0-9
 perl 5.36.0
 python 3.11.7

It's sufficiently important for me to compile firefox that I'd install a fresh linux system for this purpose. Could you possibly recommend to me what linux distribution I could install, and versions of compilation tools, header files, libraries, etc. that are known to work for compiling firefox? I'd be glad to report back to you my results, to help others who'd like to compile firefox.

In case you're wondering, I'm perfectly competent in installing software, including compiling anything. I'm an M.I.T. graduate, and have been a professional computer programmer for most of the half-century of my working life.

Thank you kindly for any response that you have time to send to me.

Very truly yours,

Lyman Opie [email address]

jf02ut 於 5 個月前 詢問

Paul 最近回覆於 5 個月前

Firefox Slow on Only One PC

I love Firefox and am a committed user, but on only one of my PCs it runs so slow that I am considering switching browsers. The slowness happens most of the time, but not… (閱讀更多)

I love Firefox and am a committed user, but on only one of my PCs it runs so slow that I am considering switching browsers. The slowness happens most of the time, but not all of the time, except when I open more than one tab, when it is all of the time. (Neither Chrome nor Edge have any such problems.) The loading time for pages is agonizing, and I have tried the following:

  • Clearing Firefox's cache (which usually fixes the problem for a day or so)
  • Resetting Firefox (which usually fixes the problem for a day or two)
  • Using all combinations of Performance settings (using/not using recommended settings and using/not using hardware acceleration

I am running the same Kaspersky software on this PC as the ones on which Firefox runs well, so I don't think that is the problem (although I'm not an expert tech user, I admit). I'm running an AMD Ryzen 5 2600X with 2x8 GB DDR4-3000 RAM. Please advise.

mdelam1972 於 5 個月前 詢問

zeroknight 最近回覆於 5 個月前

Firefox opens and immediately closes

I just downloaded Firefox on my new Windows 11 computer and I'm having this problem where I try to open it and it immediately closes. It just flashes on the screen, I tri… (閱讀更多)

I just downloaded Firefox on my new Windows 11 computer and I'm having this problem where I try to open it and it immediately closes. It just flashes on the screen, I tried downloading it off of the Mozilla site and the Microsoft store and both times I've been having this issue. It doesn't show up in task manager when trying to open it, my computer is updated, and I'm connected to Wi-Fi. I have a video of the issue but it wont let me put videos here.

jesserow5 於 5 個月前 詢問

zeroknight 最近回覆於 5 個月前

Developers options tab keeping opening up on it own

I have been having this issue with firefox for a while, where the developers options tab keeps opening up on its own, and closes on itself. I have attached a recording o… (閱讀更多)

I have been having this issue with firefox for a while, where the developers options tab keeps opening up on its own, and closes on itself. I have attached a recording of the issue for better illustration. Many time I am unable to close it, it doesn't allow me to carry out my work when its up. My firefox is updated. Can anyone help identify what is the issue.

sarmah.angshuman 於 6 個月前 詢問

jscher2000 - Support Volunteer 最近回覆於 6 個月前

Email page has different configuration and emails sent to me disappear

Information panels show a mail has arrived but it does not arrive in my inbox. Therefore I can get no replies. Inbox display is totally different and nothing is o… (閱讀更多)

Information panels show a mail has arrived but it does not arrive in my inbox. Therefore I can get no replies. Inbox display is totally different and nothing is ordered as before, by date etc.

tony273 於 5 個月前 詢問

Terry 最近回覆於 5 個月前

hardware acceleration option no longer available

since the update today my browser's been really slow to stream video across the board. i fixed this a few months ago by turning hardware acceleration off and i tried to … (閱讀更多)

since the update today my browser's been really slow to stream video across the board.

i fixed this a few months ago by turning hardware acceleration off and i tried to check if it had been turned back on and the entire option is completely gone from the performance section in settings.

i dont see an option anywhere else to change this, and i really dont want to switch back to chrome for streaming. is there a hidden option somewhere that im missing?

emma.vasaturo 於 5 個月前 詢問

zeroknight 最近回覆於 5 個月前

Update to 121 lost my booksmarks and saved passwords?

I had Firefox 120.1 on a Windows 11 Pro 23H2 system and everything was fine, then today Firefox updated itself to version 122 and all my bookmarks / settings and saved pa… (閱讀更多)

I had Firefox 120.1 on a Windows 11 Pro 23H2 system and everything was fine, then today Firefox updated itself to version 122 and all my bookmarks / settings and saved passwords disappeared. When I went to the bookmark manager there were no backups to restore but when I searched the C: drive for "Bookmarks*.json*" I found dozens in the profile that Firefox is currently using (about:porfile shows my default and there is only one profile on the computer) and I copied the most recent one from a couple days ago and used the bookmark manager to restore it. However I've lost all my saved passwords and I absolutely need to get those back, how can I do that?

Norm@Home 於 5 個月前 詢問

cor-el 最近回覆於 5 個月前

Fcitx input method doesn't work

The fcitx input method works everywhere on my computer except Firefox. I've added the following to my etc/environment file, which is the main suggestion I found online: G… (閱讀更多)

The fcitx input method works everywhere on my computer except Firefox. I've added the following to my etc/environment file, which is the main suggestion I found online: GTK_IM_MODULE=fcitx QT_IM_MODULE=fcitx XMODIFIERS=@im=fcitx But it still doesn't work. My operating system is KDE neon 5.27.

Ruskin 於 5 個月前 詢問

zeroknight 最近回覆於 5 個月前

"SSL_ERROR_RX_RECORD_TOO_LONG" only on firefox browser

Hi My website receives this error sporadically but almost everyday when I open it via firefox: "Secure Connection Failed An error occurred during a connection to flash… (閱讀更多)

Hi My website receives this error sporadically but almost everyday when I open it via firefox:


"Secure Connection Failed

An error occurred during a connection to flashsystem.ir. SSL received a record that exceeded the maximum permissible length.

Error code: SSL_ERROR_RX_RECORD_TOO_LONG

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the web site owners to inform them of this problem."


And I can open it using other browsers with no issue at the same time, this will affect on my website traffic for firefox users, any solution ?

amooei.mohammad 於 5 個月前 詢問

cor-el 最近回覆於 5 個月前

Emailed Links Open Blank Pages

For the past week or two, all links sent to me via email open to blank pages. In other words, I click a link in an email and am taken to a completely white, blank page i… (閱讀更多)

For the past week or two, all links sent to me via email open to blank pages. In other words, I click a link in an email and am taken to a completely white, blank page in a new tab of my Firefox browser. I've tried clearing my cache but that didn't resolve the issue. I figure it's time to ask for some help with this strange, frustrating issue so that I can open links emailed to me. I've attached a screenshot of one of the emails this happens with. It's been happening with a company called Geru as well as the one in the screenshot, but I've found that links from the Epoch Times for instance work fine. Please advise, thanks!

JM 於 5 個月前 詢問

cor-el 最近回覆於 5 個月前

Toolbar popup windows too small

Hi, as seen in the screenshots, the toolbar popup windows are way too small. This goes for installing addons, websites asking for permissions, and remembering autofill in… (閱讀更多)

Hi, as seen in the screenshots, the toolbar popup windows are way too small. This goes for installing addons, websites asking for permissions, and remembering autofill information. It only seems to affect those instances, as addons pinned to the toolbar work as expected.

I've tried:

  1. Clean reinstalling firefox (including deleting the Mozilla directories in AppData/Roaming + Local)
  2. Deleting the default profile and creating a new one and launching with that
  3. Deleting the xulstore.json file

The issue still occurs in troubleshoot mode, so doesn't seem to be an addon causing this. I also have the zoom set to 100% and font size as it was when installed; this is a fresh install still doing it.

This is similar to https://support.mozilla.org/bm/questions/1342630, except that was 2 years ago and trying those solutions did not work for me.

Any help would be appreciated. Thanks

lyxnxx 於 5 個月前 詢問

zeroknight 最近回覆於 5 個月前

MetaMask extension

Over the past day or so, I keep having trouble accessing my MetaMask wallet. I just get a spinning wheel and I never get to the "enter password" field. I reinstalled MM… (閱讀更多)

Over the past day or so, I keep having trouble accessing my MetaMask wallet. I just get a spinning wheel and I never get to the "enter password" field.

I reinstalled MM several times, I cleared my cookies and cache. Any idea why this keeps happening?

mr.m7056 於 5 個月前 詢問

jscher2000 - Support Volunteer 最近回覆於 5 個月前