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Mozilla works too slow when many tabs (~50) are opened.

Hello, my Mozilla Firefox is hanging when I have about 50 tabs opened. So I have to kill the browser and restart it. After a few hours of work I have to do that again. An… (閱讀更多)

Hello, my Mozilla Firefox is hanging when I have about 50 tabs opened. So I have to kill the browser and restart it. After a few hours of work I have to do that again. Any ideas/suggestions?

iso_z 於 1 天前 詢問

cor-el 最近回覆 於 6 小時前

  • 已解決

Facebook tab causes a lot of memory-related errors on Firefox 80

I use Firefox on a daily basis. It's open 24/7 on my PC and has 7 pinned tabs because I use them all almost everyday - they are mostly e-mail. It's set to auto-update and… (閱讀更多)

I use Firefox on a daily basis. It's open 24/7 on my PC and has 7 pinned tabs because I use them all almost everyday - they are mostly e-mail. It's set to auto-update and I think it recently updated to version 80. Ever since Facebook announced the removal of Facebook Classic and rolled out a Messenger update yesterday, I have been getting weird memory-related issues. Since I don't use Firefox exclusively, I just minimize it but it's always running. When I maximize it back to use it, the Facebook pinned tab does something crazy and all my other software start complaining that Windows ran out of memory and sometimes even crashing them though Firefox doesn't and the Facebook page looks garbled like its CSS gets corrupted. I am using the new Facebook - the one that looks like an app - in Dark Mode. The issue only happens when I use Facebook. The issue started happening yesterday.

Important note: this only started happening yesterday. The only thing that changed was the update to Firefox 80 and the roll out of the new Facebook Messenger update. This PC is rarely shut down. Also, when I am using the network (like downloading games from Steam or Epic Games or GOG Galaxy), the issue worsens and Explorer crashes and closes everything in my notification area.

Current workaround: I closed the Facebook pinned tab and everything seems to be working fine.

Specs: Firefox version 80 (no plugins) Windows 10 version 2004 Core-i7 4790K, 32Gb RAM, SSD + 19 Terabytes total HDD NVidia RTX 2070 Super with latest Game Ready drivers

Wimle 於 3 個月前 詢問

FredMcD 於 3 個月前 解答

  • 已解決

closing popup last - broken restore previous session

When i close my "main" Firefox window and after that the opened popups, this breaks my "restore previous session" setting. this is not the first time because sometime i … (閱讀更多)

When i close my "main" Firefox window and after that the opened popups, this breaks my "restore previous session" setting.

this is not the first time because sometime i forget to close the popups first...

philipp.ewald 於 2 週前 詢問

cor-el 於 2 週前 解答

Lost all windows after my pc randomly restarted!

I think it was update, my pc restarted. But it usually asks weird. I lost all windows and all tabs. Yet in library/history under restore windows, there is nothing! There … (閱讀更多)

I think it was update, my pc restarted. But it usually asks weird. I lost all windows and all tabs. Yet in library/history under restore windows, there is nothing! There was some json file, from which you could get tabs. I tried it last time and it didn't work. Also firefox wasn't even running at that time and previously i had all windows and tabs... Are you kidding me???

I lost like hundreds of important tabs.... Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa............

tomas707 於 1 週前 詢問

tomas707 最近回覆 於 1 天前

Privacy notices

I've continuously been getting an new tabs: https://www.mozilla.org/en-US/privacy/firefox/ repeatedly and now I'm getting up to 4 of them at the same time. I have no clu… (閱讀更多)

I've continuously been getting an new tabs: https://www.mozilla.org/en-US/privacy/firefox/ repeatedly and now I'm getting up to 4 of them at the same time. I have no clue how to stop them. Any Ideas?

tsharp2000k 於 1 天前 詢問

PC crashed losing all data

The SSD memory on my PC suffered a fatal error losing all data and was replaced. I have therefore lost all my apps and settings etc. although I did have a backup of my do… (閱讀更多)

The SSD memory on my PC suffered a fatal error losing all data and was replaced. I have therefore lost all my apps and settings etc. although I did have a backup of my documents. Is there any way to recover the 100+ tabs and bookmarks I had on Firefox when the PC failed. Thanks David

dinky1 於 1 天前 詢問

multiple facebook account container

Hi, I want to ask can we open two or more facebook container for different facebook account where those container isolate from each other. Thank you for the answer. … (閱讀更多)

Hi,

I want to ask can we open two or more facebook container for different facebook account where those container isolate from each other.

Thank you for the answer.

abby 於 3 天前 詢問

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 … (閱讀更多)

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

ftarabout 於 4 天前 詢問

ftarabout 最近回覆 於 4 天前

Youtube videos pausing when played in same window

If I have two Youtube videos open in the same window, on different tabs, attempting to play one will automatically pause the other, which makes playing two videos simulta… (閱讀更多)

If I have two Youtube videos open in the same window, on different tabs, attempting to play one will automatically pause the other, which makes playing two videos simultaneously inconvenient. This will not occur if the videos are in different windows. How can I disable this?

sorel.anri 於 4 天前 詢問

losing tabs when firefox updates

Every so often when Firefox updates - but not every time it updates - it reverts to the status of tabs from some time before: for whatever date it chooses (in the case of… (閱讀更多)

Every so often when Firefox updates - but not every time it updates - it reverts to the status of tabs from some time before: for whatever date it chooses (in the case of today it chose November 7th) it brings up the tabs that were open on that day. This means it brings up tabs I closed in the weeks after November 7th and it loses all new tabs I have opened since November 7th; if I opened and closed them since November 7th they are not in history - all tabs that were opened since November 7th disappear without a trace, so none of the new tabs that were open that I was working on are available after the update.

Why is this happening? And what can I do about it?

dewitt.kathleen 於 4 天前 詢問

  • 已解決

Firefox killed my main window and ALL MY TABS

I closed firefox (all three windows), and when I reopened it, it opened the two background windows... but NOT the main window that had all my tabs and pages and projects.… (閱讀更多)

I closed firefox (all three windows), and when I reopened it, it opened the two background windows... but NOT the main window that had all my tabs and pages and projects. Thanks, Firefox.

I *could* go through my History, and see if I remember WHEN I accessed each tab, and TRY to rebuild it, but that is INSANELY ANNOYING and takes upwards an HOUR.

tha.destroyah 於 5 天前 詢問

tha.destroyah 於 4 天前 解答

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… (閱讀更多)

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.

abbyeagle 於 5 天前 詢問

FredMcD 最近回覆 於 4 天前

Can't load or extract my lost tabs from jsonlz4 file. 90 megabytes worth of tabs.

Hi and thank you in advance. I am in a serious dllema here. I was just about to hire someone to do this work on upwork or fiverr or the like when I did a search and con… (閱讀更多)

Hi and thank you in advance. I am in a serious dllema here. I was just about to hire someone to do this work on upwork or fiverr or the like when I did a search and confirmed that my saved passwords are also stored in this file. I have tried Everything I can find to get my 90 megs of tabs back, which a stupid verizon hot spot network log in screen crashed and I am just about at the end of my rope. I

have been through hours and hours of fooling with this. Already tried this site, https://json-csv.com/ pro version, this site https://www.jeffersonscher.com/ffu/scrounger.html and the firefox add on moz-extension://8fb59157-3fd6-43ac-982e-f27264d2874f/app/app.htm and a few other tools that are outdated or don't work on my system.

PLEASE, I will pay someone who is officially from Mozilla if necessary, I just need my tabs back.

info@sunshineawakenings.org 於 6 天前 詢問

jscher2000 最近回覆 於 4 天前

  • 已解決

Can't seem to recover my session

Hi, I always have dozens of tabs opened, if not hundreds. They have vanished. I’ve been trying to follow the topics on the matter, such as the one named ‘Session won't lo… (閱讀更多)

Hi,

I always have dozens of tabs opened, if not hundreds. They have vanished. I’ve been trying to follow the topics on the matter, such as the one named ‘Session won't load’ (questions/1254740), to no avail.

Finally, this time I remembered not to close Firefox when I saw my tabs where suddenly missing. I’ve never seen the ‘Restore the previous session’ on the Firefox menu, and neither did I this time. Without closing the browser, I did a backup of the ‘sessionstore-backups’ folder. It contains:

‘previous.jsonlz4’, from 22/11/2020 17:42 ‘recovery.baklz4’, from 22/11/2020 18:57 ‘recovery.jsonlz4’ from 22/11/2020 18:58 ‘upgrade.jsonlz4-20201027185343’ from 31/10/2020 13:42 ‘upgrade.jsonlz4-20201108180448’ from 10/11/2020 15:05 ‘upgrade.jsonlz4-20201112153044’ from 22/11/2020 10:34

The one I need is ‘previous.jsonlz4’, since by 18:57 I’ve already lost my tabs. From the update backups I think I could also use the one from 22/11. In any case, I don’t understand what I am doing wrong so as to recover the ‘previous.jsonlz4’. This is what I’ve tried from different threads on my profile folder:

The ‘-backup’ and ‘OLD’ changes belong to different attempts

- Rename (on ‘sessionstore-backups’ folder) ‘recovery.jsonlz4’ and ‘recovery.baklz4’ to ‘recovery-backup.jsonlz4’ and ‘recovery-backup.baklz4’, and also tried with ‘recoveryOLD.jsonlz4’ and ‘recoveryOLD.baklz4’ - Rename ‘sessionstore-backups’ folder to ‘sessionstore-backupsOLD’ - Rename (on the main profile folder) ‘sessionstore.jsonlz4’ file to‘sessionstore-backup.jsonlz4’, and also tried with ‘sessionstoreOLD.jsonlz4’ - Copy/paste the ‘previous.jsonlz4’ file into the main profile folder. - Rename ‘previous.jsonlz4’ to ‘sessionstore.jsonlz4’

Nothing has worked. Once followed the steps, Firefox keeps opening my startup page. Note that it does not restore my previous session (that is, some tabs regarding this same subject), but my startup page, which means my attempts are having some effect, although not the desired one. I do have the ‘Restore previous session’ checkmarked in ‘Setting/General/Startup.

I also tried to replace ‘recovery.baklz4’ (on ‘sessionstore-backups’ folder) with ‘previous.jsonlz4’, from 22/11/2020 17:42, hoping to be prompted with the ‘Well, this is embarrassing’ + ’Restore’ window. I had no success.

I’ve been trying to recover my tabs for hour by now and don’t find what I am doing wrong. Why does Firefox refuse to load my ‘previous.jsonlz4’ file? Am I missing something? Maybe ‘previous.jsonlz4’ is corrupted or something? Should I try to use the ‘upgrade.jsonlz4-20201112153044’ from 22/11/2020 10:34 file? (Although I would lose some information)

Some people talk about a ‘History > Restore Previous Session’. I cannot find anything similar.

Thank you very much

delfion.815 於 1 週前 詢問

jscher2000 於 1 週前 解答

  • 已解決

Tabs won't close, suddenly links open a new window instead of a new tab.

Suddenly tabs won't close & hitting "Command" & a link opens a new window instead of a new tab. Anyone know how to make tabs close & also how to revert to al… (閱讀更多)

Suddenly tabs won't close & hitting "Command" & a link opens a new window instead of a new tab. Anyone know how to make tabs close & also how to revert to allowing "command" + clicking a link to open in a new tab & not a new window? I've tried shift + re-opening Firefox & I tried 'safe mode' & it's still happening.

gah1114 於 6 天前 詢問

gah1114 於 6 天前 解答

Tabs are individually loud

Hi. I have a problem with the volume in my firefox. It seems the tabs all are set on a different volume. One tab is really loud, one is barely audible. I notice it when i… (閱讀更多)

Hi. I have a problem with the volume in my firefox. It seems the tabs all are set on a different volume. One tab is really loud, one is barely audible. I notice it when i open youtube on multiple tabs, and set the volume of the players to full, the tabs won´t play the same volume. I don't know why that is, or how to change it. Please help.

Basulani 於 1 週前 詢問

Tabs lost after restart and Firefox update

Hi, Writing in some distress here. Had Firefox open with a lot of tabs, most relevantly hundreds of pages relevant for my PhD research, when my computer decided to re-sta… (閱讀更多)

Hi,

Writing in some distress here. Had Firefox open with a lot of tabs, most relevantly hundreds of pages relevant for my PhD research, when my computer decided to re-start on its own. When I opened Firefox afterward I was greeted by the "What's new with Firefox" page, all my tabs gone. Both "Recently Closed Tabs" and "Recently Closed Windows" were completely empty. "Restore Previous Session" is greyed out and unclickable. After looking up solutions to this problem online I went to my profile at C:\Users\User\AppData\Roaming\Mozilla\Firefox\Profiles, and discovered there was no sessionstore-backups folder there. There is a file called sessionstore.js, but it has last been modified May 2017. I checked and my history is still all there. Is there anything I can do, or do I need to go over the thousands upon thousands of entries there in search of the ones relevant for my research?

elliottamer 於 1 週前 詢問