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Firefox not MultiThreaded

I expect that each page / tab in firefox is placed in its own thread. However, I experience that when one page gets stuck .. javascript is caught in a wait loop .. that… (read more)

I expect that each page / tab in firefox is placed in its own thread.

However, I experience that when one page gets stuck .. javascript is caught in a wait loop .. that this affects other pages.

Is there something in FireFox that I can change to insure that each page is in it's own thread, and doesn't affect another page's performance?

Asked by mfuhrman 6 days ago

Last reply by cor-el 5 days ago

Old version of firefox keeps opening porn sites randomly

Hello. Im new to the Mozilla Support community I am running a Japanese Windows XP SP3 on VMWare Workstation 16, i have downloaded a old version of firefox, due to newer v… (read more)

Hello. Im new to the Mozilla Support community

I am running a Japanese Windows XP SP3 on VMWare Workstation 16, i have downloaded a old version of firefox, due to newer versions not working on xp

And heres the issue: Firefox keeps opening tabs randomly which are related to pornographic websites like xxnx, pornhub, evilangel n' etc..

Heres things ive tried, but didnt work: -Install tdsskiller & scan -Scan with Avast Antivirus -Uninstalling Firefox and delete registry entries -Getting IE8 or G**gle Chr*me for Windows XP SP3

Any way to resolve this problem? i can't watch these things!

Asked by mm321 4 days ago

Last reply by James 3 days ago

Searching for open tabs among many windows needs improvement

Currently using FF v94.0.1 64-bit (I usually lag an update or two behind to ensure stability -- my highest priority -- and avoid surprises.) 1) I notice that unless th… (read more)

Currently using FF v94.0.1 64-bit (I usually lag an update or two behind to ensure stability -- my highest priority -- and avoid surprises.)


1) I notice that unless there are a sufficient number of tabs opened across a browser window as stretched to a given width, thus triggering the left-right ("<" , ">") tab-scroll arrows to appear, the TAB MENU itself (aka "List all tabs" button, a "v" down-arrow on the far right) is not present. Nor is there an equivalent way to initiate a tab search within the main MENU BAR (FILE, EDIT, VIEW, etc.) that I could find. This restricts access to the SEARCH TABS feature.

This "automatically keep-it-tidy feature" is not really an issue when only a single browser window is open. However, I have many windows (on different topics of interest), each with many tabs.

I can switch to another browser window that has enough open tabs to have triggered the TAB MENU, then search from there. Or I can use the address bar "%" method).

(Actually, I'm pleasantly surprised that Firefox, running on my older PC, is stable with hundreds of tabs open as accumulated over many months. Clearly I should change my habits!)


2) On your support page titled "Search open tabs in Firefox" at https://support.mozilla.org/en-US/kb/search-open-tabs-firefox , it describes (via examples) using the "List all tabs"/TAB MENU button to access the "Search Tabs" feature. It also outlines using the address bar "%" method.

Unless I misread the article, what it does not make clear, is that the "Search Tabs" feature works the same as "% xyz" in the address bar; whereas using "%xyz" (note the missing space) yields different results (apparently the same as "xyz %"; but "xyz%" yields nothing). Nor does it explain the reason for the different results or the importance/desirability/weirdness of using one method over the other -- it simply presents the examples. I believe this help page could use some expansion/clarification.


3) I noticed that when performing "search tabs" via either the address bar (using "%") or via the TAB MENU, the results do not include any open tabs using "containers" (apparently the same as any open tabs within "private" windows).

I am increasingly using the "container" features by opening then permanently assigning many "sensitive" web sites to one of the container categories. The increased security is a nice idea.

However, with many browser windows open, each with many tabs, this inability to search for and conveniently find open tabs is increasingly frustrating and is nudging me back towards NOT using containers.

Can't some solution be found to maintain the privacy between tabs (and perhaps even private windows) while permitting a tab search to work more thoroughly?


In summary, I simply want to be able to find ALL occurrences of any partial string of searched-for text within ALL tabs in either their title OR address, normal AND container tabs, and preferably in normal AND private windows.

At present I see only a list of 12 results and no means of listing more. Sometimes my "known" open (normal/non-container) tab is not present in that short list (perhaps a preference/sort order is needed for tab titles vs. addresses).

Why not a "List more results", or a selector button to scroll-list "10, 20, 40, 100, ALL", or a button to open and continue with a listing of ALL matching results in a separate pop-up window, etc?


Thanks for all your good and hard work!

Asked by hmarx2014 3 days ago

Last reply by kgersen 17 hours ago

  • Archived

warn on quit

It's so frustrating that the keyboard shortcut for closing tabs is right beside the one to quit Firefox. I've lost countless hours because of this, and it's so easy to ac… (read more)

It's so frustrating that the keyboard shortcut for closing tabs is right beside the one to quit Firefox. I've lost countless hours because of this, and it's so easy to accidentally do. Is there a way to keep this from happening? A simple "Are you sure" confirmation dialog would be great, or I really like the Chrome "hold command-Q" to exit feature. This seemingly simple function is proving extremely difficult to accomplish.

Yes, I'm aware of session restore, but (1) It does not preserve my window arrangement. I use multiple desktops for various tasks, and they each have related browser windows. (2) I need to see webpages exactly as they were when I opened them. Sessions expire, dynamic pages are refreshed, content is removed etc. That is all lost.

I do not want to disable session restore completely. It can still be useful. But, I do not want to trigger session restore automatically every time. Manual activation is ideal.

regarding: "browser.tabs.warnOnClose" I do not want a warning for closing multiple tabs. I often have many windows open and that warning gets annoying. It also doesn't prevent me from accidentally quitting when I only have one tab open.

I tried setting browser.warnOnQuit to true, but it's ignored.

I simply want a confirmation when I use the keyboard shortcut to QUIT. That's it. No side effects. Can Firefox do this?

Asked by exekutive 1 year ago

Last reply by cor-el 3 months ago

  • Archived

Restore Last Session - But not if I close last tab

I searched this forum but couldn't find an answer. I have "restore last session" turned on, but I'd like Firefox wouldn't reopen my last visited site after I close the br… (read more)

I searched this forum but couldn't find an answer. I have "restore last session" turned on, but I'd like Firefox wouldn't reopen my last visited site after I close the browser by closing the last tab. In other words: if I close the browser by a regular means (by clicking the rightmost upper X, or by right-clicking the taskbar and choosing close window) it goes to the last viewed site when I reopen the browser – and that's ok – but when I close the last tab and the browser closes, I don't want to see this site again when I reopen Firefox. Is there a way to achieve this? By the way, this is the standard behavior in Google Chrome.

Asked by ravipegolo 1 year ago

Last reply by cor-el 10 months ago

  • Archived

sending page to my phone doesn't

I use Send Tab to Device all the time. To my phone, my tablet, my work & home laptops. Except recently, the tab I send won't show up on my phone. Notifications are en… (read more)

I use Send Tab to Device all the time. To my phone, my tablet, my work & home laptops. Except recently, the tab I send won't show up on my phone. Notifications are enabled. I can send from my phone to my work laptop. I can send from my work to home laptop. But to the phone, it says sent, and nothing ever arrives. Everything is synced. What else can I do?

Asked by Monica 1 year ago

Last reply by jtwcallahan2 9 months ago

  • Archived

Can't restore TABS from backup file

Before shutting down Firefox I deleted history/cache/passwords etc from the past day I do this all the time but since I had restore previous tabs selected they always ge… (read more)

Before shutting down Firefox I deleted history/cache/passwords etc from the past day

I do this all the time but since I had restore previous tabs selected they always get restored when I start up again

However this time they weren't restored when I restarted

Without closing Firefox I navigated to the sessionstore-backups folder to see what was there but the files were only 2KB - much too small for the number of tabs.

So I installed ShadowExplorer & Shadowcopyview to see if I could recover older versions I was able to locate jsonlz4 files from a few days ago that were around 11000KB in size so I assumed they would have most of my tabs

However when trying to use the files nothing happens - I tried 2 different steps that I read here had worked for others

1 - Renaming previous.jsonlz4 to sessionstore.jsonlz4 , moving to the profile folder (deleting the old one first) and restarting FF

2 - Deleting sessionstore.jsonlz4 and copying the recovered previous.jsonlz4 / recovery.baklz4 /recovery.jsonlz4 / upgrade.jsonlz4-20201014125134 files to the sessionstore-backups folder and restarting FF

I also repeated the steps after creating a separate profile

None of these worked so I tried examining the jsonlz4 files using https://www.jeffersonscher.com/res/scrounger.html but I got an error message 'Session history file contents could not be read?'

Now I've previously used recovered Jsonlz4 files to restore tabs with no issues but this time they won't work

I read here https://support.mozilla.org/bm/questions/1189759 that updates may cause compatibility issues and the upgrade.jsonlz4-20201014125134 file indicates they was a recent update

The recovered file sizes indicate they contain data so I want to know how I can recover it - if not through FF then through some other software

Asked by darkwolf573 1 year ago

Last reply by jscher2000 10 months ago

  • Archived

All Pinned And Open Tabs Lost ☹

I got an error on one of my open or pinned tabs (do not recall which it was). I do not recall what the error was and did not screenshot it because I was sure that closin… (read more)

I got an error on one of my open or pinned tabs (do not recall which it was). I do not recall what the error was and did not screenshot it because I was sure that closing Firefox and restarting it would fix the issue. I did just that, closed Firefox and reopened it to find that ALL of my pinned and open tabs were GONE. This also happens if another instance of Firefox is opened and I close my main one first by accident and then close the other Firefox instance - ALL TABS LOST.

This is what I have done: • I started to restore the pinned tabs as I could remember what they were but I was not able to remember the open tabs that were not pinned • I searched for lost tabs on the web and on the Mozilla support site but was not able to find any useful help - most of it seems outdated or no long compatible with my version of Firefox. • I looked for the sessionrestore files on my local PC but could not find them - this must have changed in some version of Firefox between version 42 and version 82 that I have. • I looked in the AddOn store to find something that would help restore and prevent this issue - but found nothing. A very old post, from 2012, indicated one that did this but it is no longer available. • All of the Options in Firefox to restore previous session, reopen previous tabs and all that were blank.

This is VERY frustrating in that it results in lots of down time to recreate what was open and is equivalent to working on a document for days or weeks only to find out that the Microsoft file got corrupt or did not save properly.

I am using Firefox version 82.0.2 (64-bit).

Two questions: 1/ Is there any way I can get the pinned and open tabs back from the previous session? 2/ What can I do to avoid this issue EVER happening again.

Thanks!!!!

Asked by BBBB1290 1 year ago

Last reply by cor-el 10 months ago

  • Archived

Restore previous session

Hi. I would like to restore my previous session when I open Firefox (last version of the browser installed). The option is turned on, but nothing happens when I close the… (read more)

Hi. I would like to restore my previous session when I open Firefox (last version of the browser installed). The option is turned on, but nothing happens when I close the browser and I open it again. The support says I should see "Restore previous session" after "New Private Window", but this option is not there. In the history, the list of recently closed tabs is always empty, there are juste one or two links in the recently closed windows (it seems to be a random list). Can someone help me ? I don't understand why it doesn't work. Thank you :)

Asked by ape 1 year ago

Last reply by cor-el 9 months ago

  • Archived

Can we have an option to restore the previous - previous session please?

When i switch on my computer i have to make sure that i open Firefox and restore the previous session before i do anything else. For example, if you click on a link in an… (read more)

When i switch on my computer i have to make sure that i open Firefox and restore the previous session before i do anything else.

For example, if you click on a link in an email - and if Firefox is not open - then it will open Firefox and you have lost access to your previous session tabs.

Yesterday, when i switched on the computer Adobe wanted to remove a program - so i uninstalled the program and then it opened a page in Firefox so i lost 50 tabs. Sigh.

SUGGESTION As well as having the option to restore the previous session could we please have the option to restore the session before that? I think this will make a lot of people very happy.

Asked by abbyeagle 1 year ago

Last reply by PBC 8 months ago

  • Archived

Unable to restore session from file

Hey! First time I get that, I usually lose my tabs due to my mistake but this morning after starting my PC all the tabs were gone with no option to restore or any error … (read more)

Hey!

First time I get that, I usually lose my tabs due to my mistake but this morning after starting my PC all the tabs were gone with no option to restore or any error message. I backed up my previous session json and other files by hand but every time i copy it back into my profile folder and rename it sessionstore.jsonlz4 it just gets deleted after I open firefox and none of my old tabs get loaded. I scrounged the files before and saw that they contain my lost tabs, I just can't seem to restore them. I tried reinstalling firefox too but that didn't help.

Did the restore system change or is the backup corrupt ? Thanks!

Fred

Asked by ftarabout 1 year ago

Last reply by jscher2000 7 months ago

  • Archived

2nd tab opens when I open Firefox; what is it?

what does a separate tab titled "about:policies#documentation" mean please? It suddenly started showing up as a 2nd tab whenever I open Firefox (Win10) link: about:polici… (read more)

what does a separate tab titled "about:policies#documentation" mean please? It suddenly started showing up as a 2nd tab whenever I open Firefox (Win10) link: about:policies#documentation

Asked by Su 12 months ago

Last reply by FredMcD 12 months ago

  • Archived

Non-pinned tabs are not being restored when I restart the browser

Okay, so I have the option set in Preferences -> General for "Restore previous session". However, when I restart the browser, all my open tabs are lost EXCEPT for any … (read more)

Okay, so I have the option set in Preferences -> General for "Restore previous session".

However, when I restart the browser, all my open tabs are lost EXCEPT for any pinned tabs.

Does anybody know why this would be?

Asked by David 11 months ago

Last reply by cor-el 11 months ago