Firefox Support Forum

Background (2024): Created my userChrome.css file, on my desktop, 4 or 5 years ago when I was using Windows 8.1. At best I am an experimenter with userChrome. Last year, due to another problem, I had to update to Windows 10. So far, so good. My userChrome file held through the update.

Fast forward: In May I had a hard drive crash (total DOA) and had to buy a new desktop (Dell) with Windows 11 (I almost regret that), 64-bit. Also using FireFox 127.0.2. After more than a month, most of my software and files are working again.

Current problem: My userChrome file is not working as it used to. I had it backed up to other places, so I know it is not the file. I am missing the “tabs bar”; the one with the FireFox icon at the far left, then (in my case) a Google box, and then the “+” for Tabs.

That bar is missing and I can not figure out why. I suspect something changed in Firefox. I do not see how Windows 11 (god forbid) would do anything like that.

See attached image.

I can not create additional tabs or move between them.

I suspect that the “solid” black bar after the Bookmarks toolbar(s) may be involved.

My “colors” seem to be OK and the location of everything else is acceptable with the exception of the “Find in this page (Ctrl+F)”. The ‘magnifying glass is in the correct place on the second bar but the box to enter data is at the bottom. The box used to be just in front of the ‘magnifying glass’. Not as critical as the “tabs bar” but annoying.

Don't see how to attach my userChrome.css (as userChrome.txt). I can supply the file or post it.

Can anyone make a simple suggestion for a simple senior citizen?

Every time I use YouTube on Firefox it feels like a mental torture. It starts off with micro-stutters initially - annoying but nothing crazy. After some time the loading speed of the website and the videos themselves increase dramatically. And eventually it becomes unusable:

• Scrolling feels like the website is running at 30 fps
• The videos take several seconds to load
• It also takes multiple seconds to catch up when you select a specific moment of the video

The only solution so far has been restarting Firefox entirely, just close and open and pray. Then the problem comes back after some time.

Solutions I Tried:

• Disabling AdBlock (didn't work)
• Enabling Hardware Acceleration at all time (didn't work)
• Uninstalling unwanted Extenstions (didn't work)

All of these problems disappear when using Chrome or Edge.

Firefox continually refuses to open, and I have worked all the suggested solutions once again. I used it for a few hours this morning, switched briefly to Chrome. Went to go back into Firefox, and it wouldn't open again. Did all the work arounds....uninstall, reinstall, even system reset to the previous day. Still won't open. I am so disappointed at having it behave so unpredictably. I sometimes sense it is related to updates....almost afraid to reboot my computer sometimes because it will not open afterwards. My recent install attempt appears among the public users, which is not the case as mine is a private PC. The Mozilla Program itself, however loaded to the 86 bit program files. Not at all sure to proceed at this point.... getting forced over to Edge it feels like....

I Have Had It Installed On Microsoft Edge For About A Year With No Problems. I Had It Installed For About 3 Months On Firefox Then I Needed To Install It Again & I Get The Above Messages. Why Is It Doing This? There Hasn't Been Any Harm Done To My Computer. Also Firefox Needs A Customer Service Phone Number For People To Call & Explain Their Issues It's A Lot Quicker & Easier To Solve Your Problem.

Machines are Win10 and Win 11. Current FF = 107.0.2 I have several PC's, previously NOT synced. All have overlapping bookmarks - some unique, others the same. My question has to do ONLY with bookmarks. My main concern is how to do this across multiple different machines - not all online at the same time - and NOT LOSE DATA!

1. When I sync machine A with machine B, I assume entries that are different are copied to the server AND then duplicated to the machine that did not have it.  Q:  Is the item that determines the uniqueness the NAME or the URL?

2. For entries common to both machines: copied to server, left alone on both machine. Q: To be considered the same - do they need to have both same NAME and Url? 3a. Same name but different url? What happens? 3b Same url but different name? What happens?

............................ Now assume we have 2 synced machines with identical bookmarks. What are the rules / priority sequence concerning the data interactions (specifically deletion ) when one machine is offline and the other adds / deletes a bookmark, and the offline machine has made some additions and deletions before it comes back online (eg. signed in)

TIA. Clifton

I added a secondary email to my account last September--or so I thought. My profile currently shows only the email I log in with. When I try to add a secondary email, I am told that another user has registered this email (same response for two different emails). Note that I regularly receive email from Mozilla at the secondary email address. Why isn't this showing up in my profile?

I've been using Firefox since the very beginning, and try to contribute to support it and Thunderbird when I can. But today, in order to get messages from my health care provider at Kaiser Permanente -- kp.org -- and get a document I needed for physical therapy, I had to sign in via Microsoft Edge in order to log in to my member account. On my Windows 11 Pro computer, I kept getting the message shown in the attached screenshot = "this page isn't redirecting properly".

I WAS able to sign in to kp.org from my mobile phone, but couldn't download the document from there. But at least I was able to send an message to my doctor asking them to send me the document via snail-mail.

At first I thought the problem was the Kaiser web site (which admittedly is pretty gawdawful). Didn't have time to pursue it last week, because I was attending an all-day class Mon-Fri. Finally today, when I got the same Firefox error message, I tried to access kp.org via Microsoft Edge. Sure enough, it worked.

Then I searched Mozilla support, and found a closed message thread indicating that the problem had theoretically been "solved" by some sort of programming fix as of June 12th or thereabouts.

I do NOT want to switch to a browser maintained by Monopolists'R'Us. I still bear a grudge because about 30 years ago they killed or marginalized two of my favorite programs (Lotus and WordPerfect) by giving away Excel and Word for free with Windows. Even if I LIKED Microsoft, the default user interface is cluttered with too many cutesy-poo widgets and AS (artificial stupidity) "help" that I do not want. But I'm an old lady (84), and if I need to communicate with my health care providers, I will have to use whatever method works, no matter how much it galls me.

Hope you guys can find a fix to this problem that works for EVERYBODY (including me). Thanks for your attention.

I'd like to use my NAS download application to handle magnet links. How can I do that with Firefox?

For mailto: links, you can specify web apps like GMail, same for e.g. IRC. However, for magnet: links, this is not possible, only local applications are supported. I even got an error message by the web application offering to configure this, saying the browser didn't support configuring this protocol.

After years, I changed my default browser to Firefox instead of Safari. However, in spite of my careful searching and attempts to solve my problem(s) with preferences and reading help FAQs, I am unable to resolve the main issues. I am unable to go to LinkedIn, either my own page or anything else in Firefox. It goes to the page and remains stuck trying to log in. I can copy the url address and paste it into my Safari browser bar and all proceeds as it should ad I get logged in, etc. There is also an issue with my NYT digital account. Sometimes Firefox acts normally, signing me in and allowing me to read articles and so forth. But often, capriciously I would say since it makes no sense at all it will arrive at the lage and for an instant I'll see the article, or video, and then the page will go blank. Reloading produces the same result and I am unable in Firefox to see the content. If I go to the content on Safari, all is fine. I am seriously considering returning to Safari as my default browser. What is going on here? Thank you.

Dear Support. My Mac audio settings are set to output to channel 11 - 12 of my multi-track audio interface. However, Firefox's audio output only shows up on channel 1 -2. Can you help?

Thanks :)

Hi, I can't open my gmail or youtube in Firefox. I run Norton Security and recently signed up to their 'clean up' software, I think this may have removed google cookies? I can access mt email by installing Chrome but I don't want it on my pc. Help!

For about a couple of weeks, there has been a lot of delay between what I type and when it actually appears. It's maddening! I have not changed any of my Firefox settings. I did a 'refresh' about an hour ago. I am not seeing any network activity that I cannot recognize. I d/l'd 'Malwarebytes' and ran it..."no threats". MS Defender has always been on & protecting me. I have never had this situation occur before and am hoping for some help (5 to 10 seconds to wait for what you've keyed in is not fun).

I'm using FF v. 127.02 and would like to delete recent bookmarks that show up under bookmarks/search. I would like to disable this feature.

It seems to be a very bad idea for privacy oriented browsers like FF. to store such info. Anyone including the kids can use my computer and see my search history. Several folks have tried various fixes without success.

Thanks!

Sync just does NOT work. I installed FF on my Mac brand new and fresh... brand new machine. Signed into Sync. NOTHING. After 6-7 HOURS... nothing. It just gets NOTHING AT ALL from my Windows Desktop.

I've signed out of ALL Firefox/Mozilla sync sessions... signed in clean- all browsers are up to date. And the about:sync-log page shows a LONG streak of errors... NON STOP ERRORS.

Why?! Why can't we just sync extensions to install and bookmarks across machines? How is this that hard for Mozilla?!

The sync-log page list: File:error-sync-1714085057059.txt 6 KB 4/25/2024 17:44:17 File:error-sync-1714088658041.txt 18 KB 4/25/2024 18:44:18 File:error-sync-1714189161327.txt 6 KB 4/26/2024 22:39:21 File:error-sync-1714498425099.txt 13 KB 4/30/2024 12:33:45 File:error-sync-1714588968223.txt 10 KB 5/1/2024 13:42:48 File:error-sync-1714589121080.txt 9 KB 5/1/2024 13:45:21 File:error-sync-1714600674960.txt 7 KB 5/1/2024 16:57:55 File:error-sync-1714604277834.txt 24 KB 5/1/2024 17:57:57 File:error-sync-1714838021899.txt 24 KB 5/4/2024 10:53:41 File:error-sync-1714839602488.txt 11 KB 5/4/2024 11:20:02 File:error-sync-1714839613709.txt 10 KB 5/4/2024 11:20:13 File:error-sync-1714844303035.txt 16 KB 5/4/2024 12:38:23 File:error-sync-1714844919123.txt 15 KB 5/4/2024 12:48:39 File:error-sync-1714846872373.txt 17 KB 5/4/2024 13:21:12 File:error-sync-1714846956569.txt 12 KB 5/4/2024 13:22:36 File:error-sync-1714941772713.txt 15 KB 5/5/2024 15:42:52 File:error-sync-1714941774043.txt 14 KB 5/5/2024 15:42:54 File:error-sync-1714941849730.txt 14 KB 5/5/2024 15:44:09 File:error-sync-1714942633097.txt 14 KB 5/5/2024 15:57:13 File:error-sync-1714942674714.txt 48 KB 5/5/2024 15:57:54

Day after day and attempt after attempt of failures for a basic function of the browser.

Here is the text of the latest log and showing constant connection errors- mind you NOTHING is breaking on my internet as I'm often streaming things and watching stuff while surfing, or others in the house are. Our connection, and Firefox getting online, are all working fine. I am at a loss. I don't understand how this is so terribly broken out of the box that you can't just sign in and let it talk to their servers. I know Google has billions behind Chrome, but this shouldn't be so 1990's bad by comparison to Chrome sync.

1714081299909 Sync.SyncScheduler DEBUG Next sync in 3600000 ms. (why=schedule) 1714081300746 Sync.SyncScheduler DEBUG Network link status changed to "changed". Offline?: false 1714082945349 Sync.SyncScheduler DEBUG Network link status changed to "changed". Offline?: false 1714082945373 Sync.SyncScheduler DEBUG Network link status changed to "down". Offline?: false 1714082945373 Sync.SyncScheduler DEBUG Clearing sync triggers and the global score. 1714082945374 Sync.SyncScheduler DEBUG Next sync in 3600000 ms. (why=schedule) 1714085055761 Sync.SyncScheduler DEBUG Woke from sleep. 1714085056643 Sync.SyncScheduler DEBUG Network link status changed to "changed". Offline?: false 1714085056786 Sync.SyncScheduler DEBUG Network link status changed to "up". Offline?: false 1714085056786 Sync.SyncScheduler DEBUG Network link looks up. Syncing. 1714085056899 Sync.SyncScheduler DEBUG Network link status changed to "changed". Offline?: false 1714085056902 Sync.Service DEBUG User-Agent: Firefox/125.0.2 (Windows NT 10.0; Win64; x64) FxSync/1.127.0.20240419144423.desktop 1714085056902 Sync.Service INFO Starting sync at 2024-04-25 17:44:16 in browser session V0xN5aUmAS9A 1714085056902 Sync.SyncScheduler DEBUG Clearing sync triggers and the global score. 1714085056904 Sync.Status INFO Resetting Status. 1714085056904 Sync.Status DEBUG Status.service: success.status_ok => success.status_ok 1714085056904 FirefoxAccounts DEBUG FxAccountsProfileClient: Requested profile 1714085056904 FirefoxAccounts DEBUG getOAuthToken enter 1714085056905 FirefoxAccounts TRACE getCachedToken returning cached token 1714085056905 FirefoxAccounts DEBUG getOAuthToken returning a cached token 1714085056905 Services.Common.RESTRequest DEBUG GET request to https://profile.accounts.firefox.com/v1/profile 1714085056905 Sync.SyncAuthManager INFO Getting sync key 1714085056905 FirefoxAccounts DEBUG getOAuthToken enter 1714085056905 FirefoxAccounts TRACE getCachedToken returning cached token 1714085056905 FirefoxAccounts DEBUG getOAuthToken returning a cached token 1714085056905 Sync.SyncAuthManager INFO Getting a sync token from: https://token.services.mozilla.com/1.0/sync/1.5 1714085056905 Sync.SyncAuthManager DEBUG Getting a token using OAuth 1714085056905 Services.Common.TokenServerClient DEBUG Beginning OAuth token exchange: https://token.services.mozilla.com/1.0/sync/1.5 1714085056906 Services.Common.RESTRequest DEBUG GET request to https://token.services.mozilla.com/1.0/sync/1.5 1714085057025 Services.Common.RESTRequest DEBUG GET https://profile.accounts.firefox.com/v1/profile failed: 2152398878 - NS_ERROR_UNKNOWN_HOST 1714085057025 FirefoxAccounts ERROR Background refresh of profile failed: {"name":"FxAccountsProfileClientError","code":null,"errno":998,"error":"NETWORK_ERROR","message":"[Exception... \"NS_ERROR_UNKNOWN_HOST\" nsresult: \"0x804b001e (NS_ERROR_UNKNOWN_HOST)\" location: \"JS frame :: resource://services-common/rest.sys.mjs :: onStopRequest :: line 478\" data: no]"} 1714085057031 Services.Common.RESTRequest DEBUG GET https://token.services.mozilla.com/1.0/sync/1.5 failed: 2152398878 - NS_ERROR_UNKNOWN_HOST 1714085057031 Sync.SyncAuthManager ERROR Non-authentication error in _fetchTokenForUser: TokenServerClientNetworkError({"error":{}})(resource://services-common/tokenserverclient.sys.mjs:28:36) JS Stack trace: TokenServerClientNetworkError@tokenserverclient.sys.mjs:51:16 _tokenServerExchangeRequest@tokenserverclient.sys.mjs:235:13 1714085057031 Sync.Status DEBUG Status.login: success.login => error.login.reason.network 1714085057031 Sync.Status DEBUG Status.service: success.status_ok => error.login.failed 1714085057031 Sync.SyncAuthManager ERROR Failed to fetch a token for authentication: TokenServerClientNetworkError({"error":{}})(resource://services-common/tokenserverclient.sys.mjs:28:36) JS Stack trace: TokenServerClientNetworkError@tokenserverclient.sys.mjs:51:16 _tokenServerExchangeRequest@tokenserverclient.sys.mjs:235:13 1714085057032 FirefoxAccounts TRACE not checking freshness of profile as it remains recent 1714085057055 Sync.Resource WARN GET request to https://sync-1-us-west1-g.sync.services.mozilla.com/1.5/209631697/info/collections failed: [Exception... "The lookup of the hostname failed" nsresult: "0x804b001e (NS_ERROR_UNKNOWN_HOST)" location: "<unknown>" data: no] No traceback available 1714085057056 Sync.Status DEBUG Status.sync: success.sync => error.login.reason.network 1714085057056 Sync.Status DEBUG Status.service: error.login.failed => error.sync.failed 1714085057056 Sync.ErrorHandler ERROR Sync encountered an error: [Exception... "The lookup of the hostname failed" nsresult: "0x804b001e (NS_ERROR_UNKNOWN_HOST)" location: "<unknown>" data: no] No traceback available 1714085057056 Sync.SyncScheduler DEBUG Next sync in 3600000 ms. (why=reschedule) 1714085057057 Sync.Telemetry INFO Early submission of sync telemetry due to changed IDs/NodeType 1714085057059 Sync.Service DEBUG Exception calling anonymous function: [Exception... "The lookup of the hostname failed" nsresult: "0x804b001e (NS_ERROR_UNKNOWN_HOST)" location: "<unknown>" data: no] No traceback available

I am using Firefox 127 on Ubuntu.

When I press the Control key, I often lose focus in the window I am currently viewing. This is annoying as it prevents me from copy-pasting for example.

Sometimes the focus is back when I release Control, sometimes it is lost and I have to click again on the text field. It does not happen on all websites, for example support.mozilla.org works well, but it happens on duckduckgo or overleaf.

It does not seem to be the same as existing issues such as [the "show mouse when press Ctrl" of Ubuntu] (it is disabled) or an addon (the problem still happens in safe mode).

In case it is useful, when I press Control the tab bar background goes slightly darker, see attached images.

Thanks for your help :) Nicolas

When playing any Ren'Py web build on Firefox Windows, the frames freeze while entering inputs. Depending on what is being displayed on screen, sometimes it will still continue despite the mouse movement, but most things just completely freeze up. Once the inputs stop, the frames will skip ahead to where they should be. This only seems to happen on Windows, as I was told it is not repeatable on Ubuntu using Firefox. This is also not an issue on Chromium based browsers.