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Firefox runs at 100% cpu

Discussion in 'BlackHat Lounge' started by islandman1010, Mar 26, 2010.

  1. islandman1010

    islandman1010 Elite Member

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    Hi,

    Just updated the latest firefox and its running my XP machine at 100% on the CPU. It was fine before this.

    The only thing I have done different was to install Imacros but I have deleted this now. I cant see any strange processes running at all. Its just 100% on Firefox and it crawls along now.

    Anyone have the same or an idea what the problem is?

    I have run malwarebytes and all is clean according to it.

    Thanks !!
     
  2. dexterc

    dexterc Registered Member

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    Are you using the v3.6.2? I have checked my system. CPU usage is the normal range but just the memory part a bit taxing.
     
  3. islandman1010

    islandman1010 Elite Member

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    Yes...3.62. I am wondering if its some browser hijack that only runs when Firefox runs. Without FF running my CPU is normal.
     
  4. Sonat

    Sonat Junior Member

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    Virus binded with your firefox process.
     
  5. Axeman

    Axeman Newbie

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    Plugins like flash and java are usually responsible for this. You could try scriptblock it's nicer than just disabling the plugins.
     
  6. eastado

    eastado Jr. VIP Jr. VIP Premium Member

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    I am also facing the same problem dude . I had an older version installed and I even had the auto update disabled but I don't know how it got updated and now my system is running very slow. let me know if you find any solution.
     
  7. syngenetic

    syngenetic Guest

    Switch to Chrome...NOW!
     
  8. neuromancerx

    neuromancerx Registered Member

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  9. gooser898

    gooser898 Regular Member

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    is chrome better then firefox????
     
  10. megaplex

    megaplex Regular Member

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    I am glad you said that Firefox is a piece of crap compared to what it used to be, all of what you said happens to me and from what i see by googling the problem nearly everyone else as well.

    I've tired chromb err, ive tried safari, eeek, explorer 7 puk what else is there ?
     
  11. pyronaut

    pyronaut Executive VIP

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    In reality, with multiple tabs, Google chrome uses more memory then any other browser. Firefox while it uses a tonne of memory with a few tabs, when it comes to 5+ tabs, Firefox wins.

    For CPU, if you have the Skype Plugin, remove that. It slowed down my Firefox immensly (Racking up the CPU to 100%). Other than that, go one plugin at a time removing them.
     
  12. JuicyBlack

    JuicyBlack Regular Member

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    ^ whut he said. I had that 3D web browsing plugin installed along with SEO Quake and FF memory/CPU usage went through the roof.... (and I have lots of ram) .... right after romoving those plugins everything runs nicely even with 25 tabs currently open...
     
  13. syngenetic

    syngenetic Guest

    Yes... and I'm glad I made the switch earlier. Firefox is so slow compare to Google Chrome. Give it a shot.. or you will regret it.
     
  14. zebrahat

    zebrahat Elite Member

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    Chrome will get bloated and slow with time as people port to it, just as FF did. I only run FF 3.0 or versions backward to that, to retain some semblance of the lean and mean program it used to be.
     
  15. russaus

    russaus Junior Member

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    #1 you're running windows
    #2 you're not running a multi-threaded browser
    #3 i am hungry, i eat ur CPU nom nom nom
     
    Last edited: Mar 29, 2010
  16. russaus

    russaus Junior Member

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    Since you're being super generalized here, I'll clear this up.

    It' completely dependent on what's running in those 5 pages. i.e. a lot of client JS and Flash (for example) then Chrome will PWN on a system with more than one CPU (like dual, quad cores etc etc).

    FF will fucking die horribly in this situation and won't deal with the excess very gracefully resulting in a browser crash. Chrome will shut down the excess tab by tab.

    TL;DR Firefox is a piece of shit if the tabs you have open contain web pages with retard designers and developers who decided to do a lot of client side processing. Chrome wins and that's science. Data shares and resource shares FTW. I think this is the 16th time I've been able to use knowledge from my software engineering degree.


    Can't agree with this more! In fact, on my windows 7 box I had this fuck up my FF by not allowing FF to stay open more than 3 seconds. Remove that shit ASAP.
     
    Last edited: Mar 29, 2010
  17. PlayTime

    PlayTime Junior Member

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    i have the latest greatest ff but want to downgrade and get rid of it how to do that?
     
  18. evilman11

    evilman11 Junior Member

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    im using the latest ff browser out right now and im not having any problems. the most cpu that it uses is about 10% and thats with several tabs open. only thing i dont like about it is the amount of memory thats being used (currently 96k with 2 tabs open). but thats probably because i have imacros,new glasser skin,foxtab,tabmix plus,seo for firefox,coral internet explorer tab,fastest fox, and a bunch of other shit installed on it. :p

    maybe you just need to invest in some new hardware.
     
  19. Matt123

    Matt123 Junior Member

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    Sounds like something (Virus) Has bonded with the Firefox process you can Google Firefox virus and see if anything pops up or you can try to run windows explorer (SUCKS) and check you cpu usages and if its not %100 you know its just Firefox and not something more serious.

    If the windows explorer runs the cpu at %100 then you most likely have a virus that attacks any of the three big explores you could then try a off beat explorer and see if it doesn't hit.
     
  20. almir

    almir Power Member

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    I don't think it's virus, it's pretty known Firefox problem with latest version. Using tons of memory and CPU, same happening to me since I've upgraded to 3.6. I have to restart it every half an hour so I am seriously thinking to switch to Chrome or Opera but I would miss add ons.

    Google for "firefox 3.6 using lot of memory and cpu", you'll find lot of threads on forums, included Mozilla one