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Multiple Instances

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  Multiple Instances "David E. Ross" <nobody@nowhere.invalid> - 2025-08-20 21:45 -0700
    Re: Multiple Instances David LaRue <huey.dll@tampabay.rr.com> - 2025-08-21 05:50 +0000
      Re: Multiple Instances "David E. Ross" <nobody@nowhere.invalid> - 2025-08-20 23:15 -0700
    Re: Multiple Instances Nobody <jock@soccer.com> - 2025-08-21 08:11 -0700
      Re: Multiple Instances "Adam H. Kerman" <ahk@chinet.com> - 2025-08-21 15:42 +0000
        Re: Multiple Instances Andy Burns <usenet@andyburns.uk> - 2025-08-21 18:31 +0100

#14612 — Multiple Instances

Windows 7 Ultimate SP1 (x64)
Firefox 115.27.0 esr (x64)

When I launch Firefox, Task Manager shows NINE instances running with
various sizes and CPU times.  I have only the single basic tab open.  I
have not selected any URI to visit.  The home page is my bookmarks file.

Is this necessary?  Can I prevent this?

-- 

David E. Ross
<http://www.rossde.com/

Trump fired the head of the Bureau of Labor Statistics because
she REPORTED THE TRUTH about a weakening labor market.  How can
we now trust any economic data from the federal government?

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#14613

"David E. Ross" <nobody@nowhere.invalid> wrote in news:108689v$o6gc$1@dont-
email.me:

> Windows 7 Ultimate SP1 (x64)
> Firefox 115.27.0 esr (x64)
> 
> When I launch Firefox, Task Manager shows NINE instances running with
> various sizes and CPU times.  I have only the single basic tab open.  I
> have not selected any URI to visit.  The home page is my bookmarks file.
> 
> Is this necessary?  Can I prevent this?

Interesting, same behavior here.  Started FF, which had been in memory before 
and prevented my default page from starting.

Rebooted and after the boot was complete tried just FF again.  Same behavior.

Win 7 Pro SP1 (x64) and same Firefox version.

I am an experienced multi-task and multi-system application developer.  The 
various memory sizes might be a clue as to thier function.  No idea why that 
many cooperating processes are used.

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#14614

On 8/20/2025 10:50 PM, David LaRue wrote:

> I am an experienced multi-task and multi-system application developer.  The 
> various memory sizes might be a clue as to thier function.  No idea why that 
> many cooperating processes are used.

I was a 30+ year software test engineer until I retired 22 years ago.
These multiple instances of Firefox look to me as a bug.  If I do not
see a good answer soon, I will visit Bugzilla.

-- 

David E. Ross
<http://www.rossde.com/

Trump fired the head of the Bureau of Labor Statistics because
she REPORTED THE TRUTH about a weakening labor market.  How can
we now trust any economic data from the federal government?

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#14617

On Wed, 20 Aug 2025 21:45:48 -0700, "David E. Ross"
<nobody@nowhere.invalid> wrote:

>Windows 7 Ultimate SP1 (x64)
>Firefox 115.27.0 esr (x64)
>
>When I launch Firefox, Task Manager shows NINE instances running with
>various sizes and CPU times.  I have only the single basic tab open.  I
>have not selected any URI to visit.  The home page is my bookmarks file.
>
>Is this necessary?  Can I prevent this?

<https://support.mozilla.org/en-US/questions/1370170>

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#14618

Nobody <jock@soccer.com> wrote:
>Wed, 20 Aug 2025 21:45:48 -0700, David E. Ross <nobody@nowhere.invalid>:

>>Windows 7 Ultimate SP1 (x64)
>>Firefox 115.27.0 esr (x64)

>>When I launch Firefox, Task Manager shows NINE instances running with
>>various sizes and CPU times.  I have only the single basic tab open.  I
>>have not selected any URI to visit.  The home page is my bookmarks file.

>>Is this necessary?  Can I prevent this?

><https://support.mozilla.org/en-US/questions/1370170>

Specifically, check about:memory to see information on specific
processes. It's a feature, not a bug.

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#14620

Adam H. Kerman wrote:

> Specifically, check about:memory to see information on specific
> processes. It's a feature, not a bug.

also see about:processes (shortcut shift+esc on windows)

various sandboxed processes ...

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