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Known conflict between Firefox and IE8

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Last Modified: 2013-11-19
I have a customer who has both IE8 and FireFox on her Windows XP SP3 system. She uses FireFox for pretty much everything. However, she has a shipping program that seems to rely on IE8. I thought AVG was the problem, but she has done some playing around and found something interesting. If FireFox is OPEN, IE8 will hang loading a page, hence her software will not work. If she closes FF, then IE8 opens and her software(Dazzle) works just fine. Now, I have done the "reset" of IE8, cleared everything, tried running as "no add-ins", etc. Are there any known conflicts like this between IE8 and FF being on the same system? If there are, are there any work arounds?
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Michel PlungjanIT Expert
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Commented:
Only one I know of could be IEtab in Firefox
Rodney BarnhardtServer Administrator
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Commented:
Would that keep IE from properly launching? You can launch IE and then FireFox and everything is fine. However, if FireFox is already open, IE will not work properly. The screen just stays white with the page trying to load.
Michel PlungjanIT Expert
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Commented:
Can you look to see if Fx has IETab installed?
Dave BaldwinFixer of Problems
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Her "Dazzle" program is probably installing a proxy on port 80 and is blocking an alternate connection.  I have run IE8 and Firefox simultaneously on Windows XP SP3 a lot of times, especially when answering questions here.
Rodney BarnhardtServer Administrator
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Commented:
mplugjan: The IETab is not there.


DaveBaldwin: No, Dazzle does not have a proxy. The program cannot even be running. If Firefox is open, IE8 will not open. If FireFox is closed, IE8 launches just fine. The Dazzle will not launch if IE8 will not work, which means if FireFox is open, it will not launch.
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Rodney BarnhardtServer Administrator
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It is made by Endicia. However, their support has been all over this because it wouldn't work. That was before my client found the IE8\FireFox issue. There sites have been added the the trusted list, firewall settings have been changed. She has had this software for years. However, I think the upgrade to IE8 was recent due to an automatice update. She really only uses FireFox, but apparently, according to their support, this software requires IE. Personally, I have never really used FireFox.

http://www.endicia.com/Support/
Dave BaldwinFixer of Problems
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I can't tell from their web site but it could be that DAzzle uses IE as their display engine.  Other than that, I don't have any idea, sorry.
Rodney BarnhardtServer Administrator
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Commented:
Well, that wouldn't explain why IE will not open if FireFox is open. That is the stranger thing. Close FireFox, and IE opens just fine.
Rodney BarnhardtServer Administrator
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Commented:
So, no one else has any ideas??
Dave BaldwinFixer of Problems
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Click on "Request Attention" to get some others to look at your question.
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Commented:
It's hard to imagine anything causing conflict between IE8 and Firefox.  I like DaveBaldwin's suggestion above.

Have you actually run a screen sharing with your user to see what's really happening?  It sounds as if what is actually happening is different from what the user is able to describe.  Happens all the time.
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I have never heard of any conflicts running FF with IE side by side, could be a resources thing, as this is XP she can't upgrade IE 8 to IE 9 either.
I know some things wont run in XP.

Could you get her to check her events errors pertaining to this
there should be some saying something like Internet explorer stopped responded/ working.
Has she checked the taskmanager?
Open the taskmanager and look which program is using the CPU and how much % of?

Checked the amount of disc space to use with temporary internet file?
Go to tools internet options under browsing look in settings.

How much ram is installed? 2 gig at least
which video card? and how much ram on this video card?

(Dazzle)  is a capturing software and will use considerable memory.
Any services running in the background?
Many temp files from capturing?

Run a disc cleanup and defrag the drive.
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dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.
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Commented:
Possibly she could try disabling all Add-ons in Firefox.  Restart Firefox and then see if IE8 will work.
Rodney BarnhardtServer Administrator
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Commented:
I will go by an try the suggestions. Mr. Coffee365, I have actually been on site and witnessed this happening myself.
Rodney BarnhardtServer Administrator
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Commented:
I have not had a chance to go by her location. I have not forgotten about this question.
Rodney BarnhardtServer Administrator
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Commented:
So, this has now changed from when FireFox is open to if any window in open. The only way she can resolve it is to reboot, so it may not have originally been an IE\FireFox conflict. It only appeared that way.
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Maybe a more technical issue, common causes of lockups is the list below
things I would do
run a malware scan using her AV
or use hijackthis and post back a log file
Remove any add ons check for extra toolbars
look in the events errors administrative tools control panel
check disc space left<<
run a disc cleanup<<empty temp folders
defrag the drive
run a chkdsk
How old is the system? hardware dying?
Hdd problems
ram issues
dust
heat?

The following Free guide will help you troubleshoot the most common causes of system problems.
Windows XP systems should never Lock-up (freeze), display Blue Screen Stop Errors or Randomly Reboot. These are all warning signs something is wrong or misconfigured with your system.
http://home.comcast.net/~SupportCD/DiagnoseXP.html
Rodney BarnhardtServer Administrator
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Commented:
I have tried most of the above. I am thinking she may need a newer system. This one is about 5-6 years old, came with Vista, but someone else loaded XP on it. The problem is she has some funky camera setup with software running so people on her website can see the fish she sells. This thing was pretty much pieced together, over time, by someone else. I had already checked the disk space, rand HijackThis and MalwareBytes. The system is pretty much dust free and has 4G of RAM, even though XP only recognized 3G. However, something keeps eating up her virtual memory (she tells me), and it is set to let the system manage it.
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Indeed in refs to>The system is pretty much dust free and has 4G of RAM, even though XP only recognized 3G.
1 gig wasted.

Windows 7 by 64 bit supports a lot more ram.
This may well be worth a read for you
How Virtual Memory Works
The amount of hard drive space you allocate for virtual memory is important.
 If you allocate too little, you will get "Out of Memory" errors.
If you find that you need to keep increasing the size of the virtual memory, you probably are also finding that your system is sluggish and accesses the hard drive constantly.
In that case, you should consider buying more RAM to keep the ratio between RAM and virtual memory about 2:1.
Some applications enjoy having lots of virtual memory space but do not access it very much. In that case, large paging files work well.

One trick that can improve the performance of virtual memory (especially when large amounts of virtual memory are needed) is to make the minimum and maximum sizes of the virtual memory file identical. This forces the operating system to allocate the entire paging file when you start the machine.
That keeps the paging file from having to grow while programs are running, which improves performance.
Many video applications recommend this technique to avoid pauses while reading or writing video information between hard disk and tape.

Another factor in the performance of virtual memory is the location of the pagefile.
If your system has multiple physical hard drives (not multiple drive letters, but actual drives), you can spread the work among them by making smaller pagefiles on each drive. This simple modification will significantly speed up any system that makes heavy use of virtual memory.
Rodney BarnhardtServer Administrator
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So, you  are saying to set the virtual memory to have the same value in the minimum and maximum?
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Rodney BarnhardtServer Administrator
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I am splitting the points for the help. Unfortunately, I was gone out of town on a business trip and she had more problems. She called the Geek Squad who just reloaded her computer (which they had problems getting everything working again) and charged her a small fortune. Thanks for the help.
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