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When I switch from X to a text console (VT), Firefox stops working after a few seconds

Scenario: I have a huge webpage which takes a minute or so to load. When I switch to another tty to do something else there, and then return to X after a while, Firefox … (read more)

Scenario: I have a huge webpage which takes a minute or so to load. When I switch to another tty to do something else there, and then return to X after a while, Firefox has still not completed the task. Running "top" on the VT shows near 100 % CPU usage for the Firefox process for a few seconds, but after that, this figure drops to zero.

This seems not to be a problem with X --- I can happily do the same thing with, e.g., QGIS. So far, Firefox seems to be the only exception.

What can I do to prevent Firefox from stopping in this situation?

Regards, T.

Asked by toomas 6 years ago

Answered by guigs 6 years ago

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i can open google website but can't search anything (This Connection is Untrusted)

"This Connection is Untrusted You have asked Firefox to connect securely to www.google.com, but we can't confirm that your connection is secure. Normally, when you try to… (read more)

"This Connection is Untrusted You have asked Firefox to connect securely to www.google.com, but we can't confirm that your connection is secure. Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified. What Should I Do? If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue.

www.google.com uses an invalid security certificate.

The certificate is not trusted because no issuer chain was provided.

Asked by zompey 7 years ago

Answered by cor-el 7 years ago

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Adobe Flash Player

I have tryed over and over again to download Adobe Flash Player and it will not let me do it. I have gone to the Adobe website and others and nothing i do is working. ple… (read more)

I have tryed over and over again to download Adobe Flash Player and it will not let me do it. I have gone to the Adobe website and others and nothing i do is working. please help me solve this problem as soon as possible. I need my computer for work.

Asked by Chris198925 7 years ago

Answered by James 7 years ago

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High CPU & Memory issues - Excessive and unnecessary CPU usage in Firefox for Windows (see also questions1003966 & 998289)

I am using the latest version of Firefox, 32.0.1, on an HP Pavilion dv7-4141sa laptop computer, running Windows 8.1 Pro 64-bit. There should be more than enough power he… (read more)

I am using the latest version of Firefox, 32.0.1, on an HP Pavilion dv7-4141sa laptop computer, running Windows 8.1 Pro 64-bit. There should be more than enough power here to run a browser without any problem, yet the computer is regularly being overloaded by the browser's resource usage.

I am currently measuring typical average CPU usage of 45% - with the browser minimised. That is to say, Firefox is not doing any browser jobs - it is not drawing on the screen - but it is using the most CPU of any process currently running. Why?

I am an ex-software engineer, and my understanding of current application development technology is limited, but I think I can say with some confidence that many techniques and software architectures exist that enable the suspension of program activity, or at least its reduction to a very low bare minimum, when the program is not actually carrying out its design function, which is in this case to draw pictures of website data on a screen.

There is a very serious problem here, one which means that I cannot run Firefox all the time, but have to kill it when I am not actively browsing, otherwise other applications cannot run to their full capacity. This is a great pity, because I have committed a lot of effort to making Firefox my primary web tool. It manages all my many bookmarks, contains my secure password manager (LastPass), manages my web security (via NoScript, AdBlock, and FlashBlock), just for a start.

Before any well-meaning moderators or other commenters start down the usual trail of "have you done this, tried that, disabled the other", I should point out that I have followed all the advice I can find, with no positive outcome. This computer is running a fresh installation of Windows, and a fresh installation of Firefox. At the moment I am running a new test Firefox profile.

The latest version of Adobe Flash, 14.0.0.179, is installed but disabled. When it is enabled and in use, Firefox's CPU usage seems high over longer periods, but overall there is little difference. It doesn't look as though the problem can be laid at Flash's door. A few other add-ins are installed, mainly those mentioned above, and Firefox is skinned with LavaFox v2-Green, but I have previously started from a clean installation, which has made little difference after an initial period during which things seemed to be better. Turning off or disabling various add-ons has made no discernible difference.

Just now I turned Flash on, and after a long period with Firefox minimised, Resource Monitor reported Firefox at 8% average CPU and FlashPlayerPlugin at 0.32%. While running a small video, RM reports FlashPlayerPlugin at about 45% and Firefox at 8%. After the video, Flash went back down to around 0.4%, and after a bit more browsing Firefox went to around 17% minimised. There seems little rhyme or reason here, except that Flash does not seem to be the culprit, although Firefox does seem to consume less when fewer tabs are actually active, as you might expect. I just refreshed more than a dozen tabs, and now Firefox is at 30%, but still not back up to the higher figures. Weird.

The CPU usage does vary a lot around the average, but 30% is still a lot for a program that shouldn't be doing anything above the minimum status maintenance, and still puts it at the top of my Top Process Monitor list. (Right now it's gone back up to 45%, without my using it in any way).

I have Telemetry turned on, so presumably Mozilla is recording some of the relevant data.

This is a very serious fault, which is more or less reproducible and which a lot of people seem to be experiencing. Probably more people have it than realise, because most users will not know anything other than that their computer slows down for some non-obvious reason; they may just think it's something to do with the computer itself, not knowing how to use the Resource Monitor and interpret the results.

Oddly, the problem does not seem to occur when running Firefox under Linux Mint 17, where the response is snappy and the CPU usage ostensibly low; I am going to look at this in more detail shortly.

I am not posting here for advice, but for information and as a form of bug report which hopefully other users will see. It will hopefully spare them a lot of effort and time in trying a lot of recommended "solutions" which will not work. The problem is inherent in the software, and can be solved only by Mozilla.

I am willing to supply any diagnostic data requested; as I said above, I have also turned on "Telemetry". However, I will not be trying out any more reinstallation/new-profile/add-on disable-enable-delete cycles unless I am asked to for very specific reasons. Please do not suggest courses of action which have already been mentioned elsewhere on this forum. I have tried them all.

The situation is very disappointing, but I have confidence that the Firefox developers will pin down the fault eventually and engineer a satisfactory solution that makes it viable to leave Firefox open all the time. Even with that restriction, it's still far better than the alternatives.

Asked by jmward 7 years ago

Last reply by Jeff Barry 6 years ago

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My bookmarks are duplicating exponentially. When I try to restore them from backup, it just duplicates them again.

I'm guessing something major screwed up and the duplicate somehow got synced to my firefox sync account, and that it's restoring them when I delete the duplicates locally… (read more)

I'm guessing something major screwed up and the duplicate somehow got synced to my firefox sync account, and that it's restoring them when I delete the duplicates locally. But I have no idea how to fix it.

Asked by pizzaboy314 7 years ago

Answered by pizzaboy314 7 years ago

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How to fix "Sync encountered an error while syncing:Unknown error."

In mid July, after the firefox update, I had decided to close firefox like I usually do before I open the client for my MMORPG Aion, so I did. I end up not turning on fir… (read more)

In mid July, after the firefox update, I had decided to close firefox like I usually do before I open the client for my MMORPG Aion, so I did. I end up not turning on firefox for a few days and when I did my bookmarks were gone as well as my toolbar bookmarks and my history. I start to wonder what happened and then I realised that there was a grey bar at the bottom of my browser stating, "Sync encountered an error while syncing: Unknown error. Sync will automatically retry this action.." I had no idea why this would happen as I never had this problem before so I look at the firefox support database but since I'm quite the greenhorn when it comes to programming there was only so much I could understand. I did try looking for corrupt or locked profiles but I saw none. Now as of today it's going on 2 months since the problem began and just today I recieved the firefox 32.0 update but still have this problem so I'm at my wits end and I not sure if I'll ever get it working again. Also my sync account is the one under the new system I had updated a few days before the problem began it also seems to be working on my other devices. Im lost without my bookmarks please help.

Asked by Amarynthia 7 years ago

Last reply by Andrew 6 years ago

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Just signed up for sync and set master password, can't get back to my password list - want to "sign in to sync", but the nav pane just shows my email address!

According to the Firefox tour, I should be able to use the drop down menu "sign in to Sync and get back to my password list. But the menu doesn't offer me "sign in to syn… (read more)

According to the Firefox tour, I should be able to use the drop down menu "sign in to Sync and get back to my password list. But the menu doesn't offer me "sign in to sync" - it just shows my own e-mail address, which doesn't help. How can I access my password list, which is why I started on this in the first place?

Asked by fabianh 7 years ago

Answered by cor-el 7 years ago

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Recently Bookmarked at bottom of List

I don't know what I did, but recently bookmarked is at the bottom of the bookmark page How do I get it back on top? I tried the about: config and did that correctly..That… (read more)

I don't know what I did, but recently bookmarked is at the bottom of the bookmark page How do I get it back on top?

I tried the about: config and did that correctly..That must be for if the folder is gone.. Does anybody know how I can get recently bookmarked back on top?? Any help would be greatly appreciated!

Asked by purpletree 7 years ago

Answered by cor-el 7 years ago

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How do I restrict sites such as Amazon so that my son cannot make any purchase but still access videos.

I can only put purchase restriction on apps, but once my son accesses Amazon website on the web browser, none of the restrictions apply. He is a 12 y.o. autistic boy and… (read more)

I can only put purchase restriction on apps, but once my son accesses Amazon website on the web browser, none of the restrictions apply. He is a 12 y.o. autistic boy and he wants to access videos on his computer. Is there anyway I can prevent purchasing on the browser?

Asked by agko 6 years ago

Last reply by FredMcD 6 years ago

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Frequently get error "Firefox is already running" when using desktop shortcuts to web sites

I love Firefox and don't want to use another browser. I frequently get the error "Firefox is already running". I even created a batch file to kill the process so I can … (read more)

I love Firefox and don't want to use another browser. I frequently get the error "Firefox is already running". I even created a batch file to kill the process so I can re-launch it. There has to be a real solution.

The key to my issue is... I use shortcuts to web sites from my desktop. This is what seems to trigger the error (but not every time). Please don't tell me to stop using shortcuts; that isn't a solution.

I am using Windows 8.1 64 bit Firefox 32.0.1 (had this same problem with all prior versions too)

Any help is appreciated!

Asked by danenglish2 7 years ago

Last reply by FredMcD 6 years ago

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A Facebook game reloads from scratch everytime I press the refresh button only on FF 32, Why?

The Facebook game in question is Happy Acres: https://apps.facebook.com/happyacres/ . My problem : When playing Happy Acres using FF 32, the game always has to reload lik… (read more)

The Facebook game in question is Happy Acres: https://apps.facebook.com/happyacres/ . My problem : When playing Happy Acres using FF 32, the game always has to reload like an update is happening, every time I play it, either when the browser is closed or during a current session, i.e 30 seconds later. The thing is, that the game did not have the problem using FF 31. I don't have the problem playing the game on Chrome. I am using Cyberfox but I can confirm that the issue also occurs using Firefox as well.

Asked by Robert Redmon 7 years ago

Last reply by Robert Redmon 6 years ago

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yahoo start page changed after firefox 33 update, how to fix it? start page looks normal on chrome and explorer, only different in mozilla, please help me

my start page has always been yahoo, after the firefox 33 updated itself, the page totally looks weird, its yahoo but not like the classic regular. I can't seem to get i… (read more)

my start page has always been yahoo, after the firefox 33 updated itself, the page totally looks weird, its yahoo but not like the classic regular. I can't seem to get it to go back even when I cut and paste the web address out of chrome or explorer, where the yahoo page looks like its normal classic self. WHY is it being changed only in mozilla firefox 33? I know that before at 32 firefox it was regular, when I go into chrome or explorer it looks fine, and yet will not flip back in my mozilla firefox even though it is using same webaddress. Its driving me bonkers, please tell me I am not the only one this happened to ( today Oct.15, 2014) and what can I do to cure/fix and make it go back to the way it was.

Asked by dobydoby 7 years ago

Answered by guigs 7 years ago

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Firefox process refuses to exit, 32 updated to 32.0.1

Firefox 32 was running but started misbehaving, so I checked for updates and it updated to 32.0.1. It needed to restart which is fine with me. But it didn't restart. Do… (read more)

Firefox 32 was running but started misbehaving, so I checked for updates and it updated to 32.0.1. It needed to restart which is fine with me. But it didn't restart.

Double-clicking the Firefox icon on the desktop brought up an error that Firefox was still running but not responding.

In Windows Task Manager I watched firefox.exe's memory usage gradually decrease from around 500MB to 2MB and then stay there for 10 minutes. I created a dump file but am not sure how to send it to anyone who might be interested. A zip of the dump file is 138MB which is far smaller than the raw dump file but I doubt whether Yahoo will let me e-mail a file that size. Next I terminated the process, after which Firefox 32.0.1 was willing to start and is operating normally at the moment.

I see people had the same complaint about Firefox 29 and some other versions, and obviously it isn't fixed yet.

It is possible to code Firefox so that, when starting and detecting that another firefox.exe process is running and not responding, it can ask if the user wants to wait for the other process or terminate the other process. For ordinary users this would be more friendly than teaching them how to open Windows Task Manager, go to the Processes tab, and ignore a warning from Windows about the danger of exiting a non-responsive process.

This is on my wife's PC running Windows 7 64-bit but only 2GB of real RAM, and Firefox only uses around 1GB of virtual memory because she doesn't open many tabs.

Asked by n0diamond 7 years ago

Last reply by n0diamond 7 years ago

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Bigger "window" to view bookmarks when bookmarking

This has been nearly mentioned but not quite covered from what I can see. The problem: "Bookmark this page" (Ctrl D) Yes, but when you want to put it in a certain folder… (read more)

This has been nearly mentioned but not quite covered from what I can see.

The problem: "Bookmark this page" (Ctrl D) Yes, but when you want to put it in a certain folder there are problems. You have a little window with some options: Name: Folder: Tags:

Name, obvious. Folder: Here in lies the problem.......

There are two options. 1 a "recently used" list of directories/folders where you have saved recent book marks to, or a FULL LIST.

So you press the one to do the full list.

That window is WAY TOO SMALL to navigate through the folders/structure to find that specific folder for which you are looking.

Is that clear?

Hope someone can help with this.

Asked by teeny_weeny 7 years ago

Last reply by the-edmeister 7 years ago

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Why does customized toolbar get reset at random?

After I customize my toolbar, the following iicons are displayed: 1. FlashGot (listing of files on the current page) 2. address bar 3. Gmail Notifier 4. Sync Now 5. searc… (read more)

After I customize my toolbar, the following iicons are displayed: 1. FlashGot (listing of files on the current page) 2. address bar 3. Gmail Notifier 4. Sync Now 5. search bar 6. customize button

However, when I exit Firefox or open a link in a new window, all except 1, 2, and 6 disappear, even on other Firefox windows open at the time.

Asked by revmikmca 7 years ago

Last reply by revmikmca 7 years ago

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print preview mac

Why doesn't Firefox give an option for print preview? Every other Mac Application including Google Chrome gives print preview when clicking Print however Firefox has no … (read more)

Why doesn't Firefox give an option for print preview? Every other Mac Application including Google Chrome gives print preview when clicking Print however Firefox has no option for print preview at all. When I click Print all I get is the option to configure what on the page prints but with no preview. Is this a Firefox issue or something I need to do? This is so frustrating as I like to preview what I am printing since not all websites are printer friendly.

Asked by jlj1290 7 years ago

Last reply by guigs 7 years ago

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Where is the multi-line text box?

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett. To enable, right-click in a multi-line text box, select "Languages", then "Engl… (read more)

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".

Asked by cwsasc 7 years ago

Last reply by cor-el 7 years ago

  • Archived

Cannot open my "file browser" then clicking on "open containing folder"

I am running ArchLinux and I have started firefox from the terminal. Then I go to the download manager to try to open my "file browser" by clicking on "open containing fo… (read more)

I am running ArchLinux and I have started firefox from the terminal. Then I go to the download manager to try to open my "file browser" by clicking on "open containing folder", but it does not open and I get this message in the terminal

/usr/share/applications/kde4/dolphin.desktop: line 1: [Desktop: command not found /usr/share/applications/kde4/dolphin.desktop: line 8: be@latin: syntax error: invalid arithmetic operator (error token is "@latin") ... /usr/share/applications/kde4/dolphin.desktop: line 182: di: command not found /usr/share/applications/kde4/dolphin.desktop: line 183: Managerxx: command not found

so it is clearing trying to open the "file browser" through a desktop entry, and fail, but the desktop entry "dolphin.desktop" works fine.

so what is going wrong?

Asked by Solis 7 years ago

Last reply by Solis 7 years ago