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Windows 7: Multiple iexplore.exe *32 when opening Internet Explorer

10 Jan 2016   #1
Bluepoet3

Windows 7 Home Premium
 
 
Multiple iexplore.exe *32 when opening Internet Explorer

Recently I have encountered an issue of one or more extra iexplore.exe *32 in my task manager window, that use high physical memory, when I open Internet Explorer. If I close the instance of IE I originally opened, they all will close as well. However if I browse on IE for a while, eventually the extra iexplore.exe *32 (single or multiples) get so high, that pages stop loading proper.

Things I have tried to fix the issue:

- Manually close the extra iexplore.exe *32 in the Task Manager. They immediately open again, and begin rising, unless I close the original IE I opened. Then they will all close.

-I have ran various virus scans including Malwarebytes, AVG, SUPERAntiSpyware, Spybot A&D, and Kaspersky. And even ran CCleaner after a scan with both Spybot and SUPERAntiSpyware.

-The problem, although primarily effecting IE, seems to go beyond. I attempted to browse through Google Chrome, and began getting multiple instances of it opening in the Task Manager window.

- At one point during my poking around the internet for a solution, someone had a similar issue, and it was recommended that they try temporarily disabling IE Add-ons, to see if it was the source of the problem. I tried this, and it did not correct the issue. In fact, I am pretty sure it reactivated the add-ons, without me having to go back in, and turn them back on.

As stated before, the main issue with this multiple iexplore.exe *32, is that it increases the Physical Memory to a point where pages will stop loading.

Any advice or assistance on this would be appreciated. I am a bit of a computer tech novice, but have been able to problem solve many issues over the years, with various computers, by just poking around, and researching online.

Thank you in advance.
CMJ


My System SpecsSystem Spec
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10 Jan 2016   #2
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Hi and welcome to SevenForums,
If you have a ie11 icon pinned to your taskbar close all open windows.. and right click it and click on Start In-private browsing
See if the issue returns.
My System SpecsSystem Spec
10 Jan 2016   #3
Alejandro85

Windows 7 Ultimate x64
 
 

What you see is perfectly normal and expectable. It's a known design flaw intentionally put in IE to make it more "reliable". Fundamentally, the browser starts a new process for each tab and addin in order to keep them isolated from each other. As far as I know, there is no way to disable this "feature".
It's documented here: https://blogs.msdn.microsoft.com/ie/...d-reliability/

Since you also mention Chrome, it also has the very same feature, that works in a similar way. Google also has documented this here: Chromium Blog: Multi-process Architecture

Other browsers may or may not be subject to this abomination. Firefox, for example, does everything in a single process (except some particular plugin tasks). It's also not related to something particular in your computer, you just happened to try with 2 browsers flawed in the very same way.
My System SpecsSystem Spec
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11 Jan 2016   #4
UsernameIssues

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by Alejandro85 View Post
What you see is perfectly normal and expectable. It's a known design flaw intentionally put in IE to make it more "reliable". Fundamentally, the browser starts a new process for each tab and addin in order to keep them isolated from each other. As far as I know, there is no way to disable this "feature".
It's documented here: https://blogs.msdn.microsoft.com/ie/...d-reliability/

Since you also mention Chrome, it also has the very same feature, that works in a similar way. Google also has documented this here: Chromium Blog: Multi-process Architecture

Other browsers may or may not be subject to this abomination. Firefox, for example, does everything in a single process (except some particular plugin tasks). It's also not related to something particular in your computer, you just happened to try with 2 browsers flawed in the very same way.
No, IE does not do that. Not even close.

Here is a screenshot showing 120+ IE8 tabs open:

Multiple iexplore.exe *32 when opening Internet Explorer-ie8.png

Do you see 120+ IE8 processes running?

Here is another post where I counter the same type of information about IE:
Best Settings - Need to open 41 IE windows to perform Screen Capture

IE11 seems to only launch 16 children...
...no matter how many tabs are opened
...unless tabs crash and are recovered.

120+ IE11 tabs using 32bit children:

Multiple iexplore.exe *32 when opening Internet Explorer-ie11-32bit-125.png

120+ IE11 tabs using 64bit children:

Multiple iexplore.exe *32 when opening Internet Explorer-ie11-64bit-125.png

See this post and the tutorial above it to enable 64bit children.
edit: IE11 gets a bit wacky around 1100 64bit tabs on W7 with 4GB ram.


Chrome and IE use this as a security feature. The "children" present the websites to the user and they operate with fewer privileges.

Multiple iexplore.exe *32 when opening Internet Explorer-chrome.png

Multiple iexplore.exe *32 when opening Internet Explorer-ie11.png


Pale Moon (based on Firefox) uses the less secure - single process...

Multiple iexplore.exe *32 when opening Internet Explorer-pm.png

...that runs at the Medium* integrity level.

*unless the user turns off the UAC - then Firefox runs at the extremely dangerous High integrity level. Chrome protects these users by using children that use "Untrusted" integrity levels - even with the UAC turned off.



We don't have enough info from the OP to say if the high memory usage is normal/expected. "High" is a very subjective term. Let's see what happens when the OP follows ThrashZone steps.


My System SpecsSystem Spec
16 Jan 2016   #5
Alejandro85

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by UsernameIssues View Post
No, IE does not do that. Not even close.
Your own screenshots shows IE opening multiple processes. The fact that it limits itself to 16 is a nice thing, but it's an implementation detail anyway, it's not my intention to discuss the exact behavior (which I don't know in detail), just noting the general, relevant things.

What the OP says and what I've pointed out remains, IE (and Chrome) opens multiple processes, when only one is really needed.


Quote   Quote: Originally Posted by UsernameIssues View Post
Chrome and IE use this as a security feature. The "children" present the websites to the user and they operate with fewer privileges.
That's not the idea of the multiple processes. Security is irrelevant to each design, multiple processes don't provide any security benefit by themselves. What actually makes improvements is the low integrity thing, that some of them use. That's nice, but also flawed. If you look at your own screenshots, you'll see that the master process has still medium integrity, so that one remains at the same level as the rest of the computer.

Looking closer, you'll see that the windows are owned by that master process too. That implies that there is some communication from all others, so it knows what to draw to the screen and can direct user input. Problem with that is that this minimizes benefit of the low integrity, as still a medium integrity process is receiving data from an unreliable source, at least indirectly, effectively making IE very similar to the Firefox in that regard.
To get any protection from UAC you need to run the whole thing as low integrity (which has an impact on usability), be one or millions of processes.

The real usefulness of that whole design is to isolate addins. They are run in its own private memory space, so they can't corrupt the whole thing. They're threated as unsafe, since it's fundamentally third-party code.
Everything else in the multiprocess architecture are drawbacks, including higher system resources consumption, slower processing and possible leaks.
My System SpecsSystem Spec
16 Jan 2016   #6
UsernameIssues

W7 Pro SP1 64bit
 
 

As I stated: IE does not create one process for each tab. Your "general" claim that it does was not even close.

IE's low integrity processes render the websites. Exploits in a website's code can attempt to overcome the isolation between the low integrity processes and the single medium integrity process (parent). That parent process paints the frame(s) that holds the tabs. The frame does not process code from websites.

For Firefox, the single process that is running at the medium integrity level is the process that has to deal with exploits from websites. Exploits in a website's code already have access to a process that is running at the medium integrity level.


As far as RAM usage, that depends very much on the website.
A continuous stream of stellar images made by the community

Multiple iexplore.exe *32 when opening Internet Explorer-ff-43.0.4.png

Multiple iexplore.exe *32 when opening Internet Explorer-ie11.png

Firefox 43.0.4 stopped loading the images once I reached 2 months ago on that website. I restarted the VM (W7pro64bit 4GB RAM) and tried again. It took 5 tests to get 4 months back and FF was using 1.3GB. I used an AutoIt script to repeatedly click on the scroll bar. The same script was used for both FF and IE11 - clicking/scrolling/loading the website at the same rate. IE11 never missed an image. I stopped the comparison at 5 months back in IE11 and it took far less RAM.

Chrome 47.0.2526.111 (32bit or 64bit) has no problems with the images. It rendered them faster than IE or FF. But Chrome crashes most of the time on that website. It took 2GB of RAM to go 5 months back.

You can let me know how Opera handles that website :-)


My System SpecsSystem Spec
16 Jan 2016   #7
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

The only issues I've noticed with ie10-11 is lingering processes after tabs being closed
But yes usually the amount of resources is much lower than Pale moon 64 it's the only other browser I use in win-7
I doubt Firefox is any different

I did test a few other browsers Chrome included in win-10 and they do use a lot more resources than ie11
I did not really look at edge at all.
My System SpecsSystem Spec
16 Jan 2016   #8
UsernameIssues

W7 Pro SP1 64bit
 
 

I have a script that watches for IE's processes to exit RAM - then the script lets me know that it is clearing temp files and things. Sometimes, IE exits RAM in less than a second after I've closed IE's window. Other times, it can take about 20 seconds. I have wondered what it is doing during that time.
My System SpecsSystem Spec
16 Jan 2016   #9
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

I have guessed ie gets confused by wanting to keep browser history but doesn't keep it in open tabs or really keep track of other open tabs inside the original tab or window,

So tab browsing in general ie has no clue how to retain the history and sort of freezes it and doesn't close the process

You've been lucky if the process closes I have not and have to kill it manually.
My System SpecsSystem Spec
17 Jan 2016   #10
FerchogtX

Microsoft Windows 7 Home Premium SP1 64-bit Build 7600 / Microsoft Windows XP Professional SP3
 
 

Internet Explorer (from versions 10 to 11 IIRC) use the multithreded architecture, as @Alejandro85 says, this isolates extensions, tabs, main browser process, another windows and plugins into their own processes. The purpose is to prevent the loss of data during a browser crash, making it faster and reliable, since it's split up in many processes.

There are 3 browsers I know cappable of this, and are Internet Explorer (latest builds), Chrome, and Opera (yes, they have switched to Chomium engine, and works faster than Chrome, and without all the spying...) Firefox is still on works with Electrolysis (but can be enabled even in stable builds tweaking some values in about:config), thouhg, it's not totally multiprocess...

Don't worry about this, it's normal that IE shows multiple processes, same with Chrome and Opera...

Quote   Quote: Originally Posted by ThrashZone View Post
I have guessed ie gets confused by wanting to keep browser history but doesn't keep it in open tabs or really keep track of other open tabs inside the original tab or window,

So tab browsing in general ie has no clue how to retain the history and sort of freezes it and doesn't close the process

You've been lucky if the process closes I have not and have to kill it manually.
There seems to be a conflict when you choose to erase all browsiing data at exit in IE, I had that issue too in which one process remains on memory until you kill it... Doesn't seem to affect (at meast for me) or exhibit problems if you choose to not clear browsing data at exit... InPrivate browsing seems unaffected...
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