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What is plugin-container.exe?

  • 146 Antworten
  • 243 haben dieses Problem
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  • Letzte Antwort von pickwicknt

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The extension plugin-container.exe wanted access to the internet. The file was located in my Mozzile folder, but I read somewhere that it is malware. Is this file supposed to be there, and is it normal for attempt to receive a connection? Is it safe?

This happened

Just once or twice

== After the most recent update just a few hours ago.

The extension plugin-container.exe wanted access to the internet. The file was located in my Mozzile folder, but I read somewhere that it is malware. Is this file supposed to be there, and is it normal for attempt to receive a connection? Is it safe? == This happened == Just once or twice == After the most recent update just a few hours ago.

Ausgewählte Lösung

Go to the following link, click on "What's New in Firefox 3.6.4". The first 2 paragraphs is a brief explanation of what plugin-container.exe is designed to do. Right now, in Windows and Linux only, it isolates Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins from the main browser, so that if one of those plug-ins crashes, your whole browser does not crash. This was done due to the large number of crashes caused by plug-ins. Plans are to add more plug-ins in later updates to Firefox.


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@ Anonymous. You'll probably notice that the RAM used by plugin container was previously used by Firefox itself. Unless you are having a problem (which you probably aren't), total amounts of user RAM should change from Firefox 3.6.3 to Firefox 3.6.4

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I'm experiencing similar problems with the new plugin-container.exe since the new update - the whole firefox.exe application freezes whenever I'm using the adope flash player. I haven't installed any other plugin than adope flash player, so the reason should be related to the new update.

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Velocity, check that you don't have any firewall/antivirus/security software that's causing Firefox to freeze by impeding it from communicating with the plugin container in an effective manner.

If that doesn't help, see this previous post of mine, please.

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I had to uninstall all Adobe Flash and Shockwave apps. I also noticed the "plugin container" in my list of programs and uninstalled that as well.

Then I reinstalled Adobe Flash and Shockwave. I could then watch flash based videos using IE without crashing anything or consuming 95% of CPU.

Then I tried to watch flash based apps using Firefox and little messages came up saying I needed to upgrade or install Adobe Flash. There was also the message from Firefox that I was missing available "plugins". I clicked on the plugins and installed them and now the CPU problem IS BACK!!!!!!!!......WTF!!!!! is the entire crew at FF asleep at the deleted wheel.........now , as before, when I check task manager while watching flash apps in FF everything grinds to a halt.....

Nice Work Firefox!!!!!! comment deleted

Clean this up quick....its causing havoc!!!!!

moderator edited this posting - eh Please watch the language used when posting here, you are pushing the rule limits. https://support.mozilla.com/en-US/kb/Forum+and+chat+rules+and+guidelines
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Phuuuuuuck, please read this post. I hope it helps.

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I noticed similar problem today when firefox crashed due to a PLUG IN while I was using GMAIL. I also had YOUTUBE open in a different tab. A few minutes later I tried doing a search in my email and again my computer grinds to an abrupt halt. I opened task manager and for the first time notice this "plugin-container.exe" using a whole lot of memory.

I just disabled all of my ADD ONS and I no longer see plugin-container.exe. I'll probably run a test by leaving them disabled for a while to see if this .exe comes up and turn one on one at a time.


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It has doubled and sometimes more the usage of RAM.. and Firefox is slower than ever. That can't be a good thing guys.. come on.

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Hello Morbus...

I didn't restart in safe maode but have noticed the problem is related to the "Shockwave Flash" plugin.....when it is disabled I can't watch anything flash based in Firefox, when it is deleted I can't watch anything flash based in Firefox.....when it is installed and running it triggers plugin container.exe which then consumes 95% of the CPU.......so the culprit is Firefox Shockwave Flash Plugin........

This of course was determined once I had disabled all the other add-ons.....

This is Shockwave Flash

Holy deleted Batman.....is there a solution to this madness???

Using Firefox has now become as pleasurable to use as using 50 grit sandpaper for deleted

edited by a moderator due to language used - eh
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Morbus why do keep sticking to same old story?

Simple fact that plugin-container.exe is slowing up folks computers who had zero to no problems before hand.

Why do FF insist on fixing something that isn't broken. I know the ins and outs of my own PC very well and I can 100% the problem is your updated browser and plugin-container.exe.

Why should we disable add ons and try disable other software to suit your faults? Especially when they all worked fine with the previous version?

Come on guys get a grip and fix this mess.

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I deleted the Updated FF went to an older version. This sux I expected more from FF!!

Eating ALL my processor between FF and this new "improvement" Bahhhhh google chrome here I come on my way to DL it now

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You can find older versions of Firefox here:


I've been using Firefox since version 1.0.6 and have never had any trouble, at least not until I updated to 3.6.4 when prompted. I got a popup from my firewall regarding plugin-container.exe and didn't know what its purpose was, so naturally I chose to block it from accessing the internet until I could learn more. This froze my computer necessitating a hard reset.

I find it both ironic and humorous that an improvement meant to enhance ones Firefox experience is actually doing the opposite for some folks. I get why Mozilla wants to sandbox certain plugins, but does it rally need to be done via a separate program outside of the Firefox executable itself? My concern is that plugin-container.exe requires a rather broad firewall rule in order to work properly. Anyways, seeing as it seems to be unnecessary on my PC, I will be disabling it for the time being (provided there is a way).

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If you're still having issues with 3.6.4 and the Flash plugin, please take a look at Adobe Flash plugin has crashed - Prevent it from happening again and increase the timeout as indicated.

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plugin-container.exe una mierda!!!

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ARE YOU deleted KIDDING ME? Sorry, I never use caps because I deem it to be childish but I will make this one exception. I don't even know where to begin, maybe I will start with:"Developers, are you freaking dumb deleted"?

Clearly you must be because you just alienated a large group of people including myself. I loved Firefox, been using it for the past 7 years and it was the best, no crashes, good security and decent speed.

Yesterday I installed the new version and this morning I am stunned to see a new process in my task list taking over 20mb of memory. You know how that feels like to a person who is very strict about its own network security? And the worst part is that I didn't even get notified of this ground breaking peace of shit extension, and no I looked up in the deleted "WHATS NEW" in this deleted version and it didn't say anything about a new fucking process.Super deleted.

Iv been using this web browser for over 7 years and it never crashed for me even tho I had like 10 youtube links opened you deleted, the only people who manage to crash their web browser are the people who are too stupid to install deleted toolbars and addons.

So yeah, go deleted. I already tried Chrome and its freaking awesome but I stayed on Firefox because of the security and features.

Hey, look on the bright side, at least you gave me a reason to change to Chrome once and for all and I will suggest the same to everyone else.


edited heavily by a moderator due to language used - eh
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@Morbus - the problem is not with the Adobe Flash Player plugin, it's with FF 3.6.4 and plugin-container.exe, because I never had problems watching YouTube videos on FF 3.6.3, only when I upgraded to FF 3.6.4...

So, now I've downgraded to FF 3.6.3, until Mozilla can fix this in their next update...

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I think that Jim is an obvious Troll and needs to be cut off from the internet.

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Who do I bill for the last hours spent trying to figure out why my computer just went haywire and why there was a new Adobe add-on and a new process wanting to run. And what was going on when the recommended Flash update tried to install a McAfee scanning app……… or whatever the hell it was?

Give us a warning when an update is going to implement such major system changes. Let us decide if we want them and give us the option of choosing a convenient time to have our computers screwed up. I thought I’d already turned off auto-updates, but an update must have turned it back on.

Half a morning lost fixing this issue and it will probably take the rest of the morning for me to calm down and get back to work.

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@ Yaya Please see my original post about this problem. Please tell me if it doesn't help.

@ Phuuuuuuck It seems clear that you are having a problem with Shockwave Flash, and a serious one at that. You need to contact Adobe for support, since Shockwave Flash is their plugin: http://www.adobe.com/support/

@ Jimbojones While I understand your point of view, you need to understand that plugins are made for the browsers, not the other way around. You'll see that you have different Flash installers for Internet Explorer and for Firefox, for example. This is a clear indicator of how Adobe (in Flash's case) has to make different versions of Flash for different browsers. All plugins are the same, even though this example may not apply to all of them. Plugins are made to be inserted in the browsers, not the other way around.

@ Ian If you have a problem with Google Chrome, you need to contact Google, since they are the ones that develop it. Be mindful that the big amounts of RAM it uses up when browsing multiple tabs is not a bug, but rather a "feature" of Chrome. Also, be mindful that the impossibility of having many tabs in the same window is not a bug, but rather a "feature" of Chrome. Bear in mind, in addition, that the relatively poverty of add-ons for Google Chrome is not as much due to its age as it is to the impossibility of developing add-ons for it that are as rich as those for Firefox. Don't forget either that the fact that Chrome will send, by default, potentially private information to Google is not a bug, but rather a "feature" of Chrome. You may also end up finding the very same problems you found in Firefox, if those were due to careless usage of add-ons or an infected system. For any usability problems, you will need to contact Google directly, too.

Also, if you are using another browser out of spite or because you can't fix your problem with Firefox, I will remind you that Mozilla is a non-profit, public service organization, and, as such, doesn't have the same financial interests Google (or any other company developing a major web browser) does. Mozilla's objective is that you, the user, use the browser you want, be if Firefox or any other browser. If you want to use Firefox but can't, due to a problem, I'm glad to work with you the best I know and can to fix it. If you actually want to use another browser, then I'm happy that you finally found your "home", and my job is successfully done.

@ Digisurfer Yes, if your firewall/antivirus/security suite is blocking Firefox's access to plugin-container, your Firefox will freeze and exhibit weird behavior. This may be the cause of some users' problems. You need to configure your firewall/antivirus/security suite to allow Firefox to function normally.

@ Nortd Your use case seems perfectly normal. I will remind you that plugin-container will only use the RAM and CPU power necessary for plugin usage, RAM and CPU power which were previously used by Firefox itself. In the end, the total amount of processing power used by Firefox and the plugin-container is the same as in previous versions. See this article for more information.

@ Max The thing is, plugins are made for the browsers, not the other way around. You'll see that you have different Flash installers for Internet Explorer and for Firefox, for example. This is a clear indicator of how Adobe (in Flash's case) has to make different versions of Flash for different browsers. All plugins are the same, from a technical standpoint. If Flash is having problems with Firefox 3.6.4 (I remind you it's working perfectly for the majority of users), you need to contact Adobe for support, since they are the ones who develop Shockwave Flash.

@ Upset If you want to read Firefox's End User License Agreement, to know about liabilities and so on, see this page or access about:license in your location bar. Alternatively you can go into Help > About Mozilla Firefox and click "Licensing information".

You will need to ask Adobe about the McAfee scan. It's in their page, by default, when you install or update Flash.

Also, be sure to read [ this previous post of mine] for help fixing your problem, or at least for help knowing what's causing the problem.

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dakk, how about you go back to your govt./corp. dog masters? How much have you been paid for to feel so authoritative?

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Morbus you clearly missed my point. Hey that is fine. Do not lecture me on things work it is sorely getting old at this point.

The simple facts, You guys released a new version of Firefox with a new bit of code with plugin-container.exe. Now it seems that this bit of code is causing problems although you refuse to admit it. The amount of people here saying the same thing says it all.

Virtually all the "helpers" here at SUMO are volunteers, Firefox users like you, including Morbus. There is like one "Mozilla guy" who answers a few postings a day in this forum, that I am aware of or "recognize". If you want help with trying to solve or get around your problems with Firefox, this is the place for help. If you want to attack or complain to Mozilla, this - http://hendrix.mozilla.org/ - is the place to provide "feedback" to Mozilla about Firefox. moderator - eh - another volunteer user

Look I understand the add ons are made for FF but why make a bit of software that clearly doesn't work with add on properly if they were working just fine before hand. Now the only options left to people are to downgrade or hope that all the add ons they have are updated to match the ridiculous power of your plugin-container.

These seem like the only options considering you have your head in the sand and are refusing to admit anything is wrong. But hey I get it some programmer worked his ass off and doesn't want to be told he failed.

Oh and by the way the problem is spreading through the net like wildfire and most likely by the end of next week everyone will know there is a problem with it.

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