Firefox 4.0.1 hangs HARD on XP (cannot kill process)

Multiple times is recent weeks (since the Firefox 4.0.1 update), Firefox has hung on my XP laptop after time (no other obvious influence) and CANNOT be killed! I have had to reboot every time, since no XP process-kill approach works. Presumably, there is no dump from Firefox either, since it just utterly locks up, quietly, and no longer responds to anything.

In Tools->Options Advanced tab->Settings Firefox apparently defaults to
Use system proxy settings
and this causes all kinds of issues, including non-killable hangs, in a VPN/multi-network environment. Since I changed to
Auto-detect proxy settings for the network
several days ago, I have seen no problems. This is a welcome fix, since
I otherwise really like Firefox, and was moving more and more to IE, which
did not have the dead-connection and hang issues described above.

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Firefox 3.6.13 hangs freezes repeatedly with multiple tabs open

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@ Falling Rock
You seem to have found a plausible answer to the problem. 
But at least as I view your post it is breaking the post container, I will repeat your answer and add line breaks in an attempt to make it easier for those like myself to view what you have written; without requiring excessive scrolling.
Repeat of above post
''Hey, M.,
I have had this problem with v3.6.13 and earlier versions, too, but I never was anywhere near 60 tabs! WOwwww! 
IMHO, the "issue"is probably caused by your having stretched your virtual memory too far. 
My system is XP Pro x86 SP3 with only 2 GB RAM; you must have 4GB or upwards on a 64-bit system, to grow to 60 tabs. Mine gets flaky around 12-15, esp. with a Word doc window or two running as well. Mine used to go troublesome around 8 or so, but I increased my Virtual Memory setting in Windows. You might try increasing the virtual memory setting significantly, if Windows will let you. See if that will help your problem. Good luck!
''

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== This happened ==
Every time Firefox opened
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See [[Troubleshooting extensions and themes]] and [[Troubleshooting plugins]]
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Note that such issues can be caused by security software that blocks Firefox and possibly isn't initialized when you get (got) this issue.
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*https://support.mozilla.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls
*https://support.mozilla.org/kb/fix-problems-connecting-websites-after-updating

Periodic NETLOGON & GroupPolicy errors results server hangs (Hard Hang)

Hi,
Our server hangs (Hard hang) randomly once or twice a month. Its Server 2008R2 SP1 with all latest patches, Its Virtual machine on VSphere 5.5, Virtual machine version 10.
I notice around the time of hang we have NETLOGON error 5719 and Group Policy error 1054
Log Name: System
Source: NETLOGON
Date: 26.06.2014 09:49:54
Event ID: 5719
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: xxx.domain.no
Description:
This computer was not able to set up a secure session with a domain controller in domain DOMAIN due to the following:
The RPC server is unavailable.
This may lead to authentication problems. Make sure that this computer is connected to the network. If the problem persists, please contact your domain administrator.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
 <Provider Name="NETLOGON" />
 <EventID Qualifiers="0">5719</EventID>
 <Level>2</Level>
 <Task>0</Task>
 <Keywords>0x80000000000000</Keywords>
 <TimeCreated SystemTime="2014-06-26T07:49:54.000000000Z" />
 <EventRecordID>91928</EventRecordID>
 <Channel>System</Channel>
 <Computer>xxx.domain.no</Computer>
 <Security />
</System>
<EventData>
 <Data>DOMAIN</Data>
 <Data>%%1722</Data>
 <Binary>170002C0</Binary>
</Even
Log Name: System
Source: Microsoft-Windows-GroupPolicy
Date: 26.06.2014 08:11:49
Event ID: 1054
Task Category: None
Level: Error
Keywords:
User: SYSTEM
Computer: xxx.domain.no
Description:
The processing of Group Policy failed. Windows could not obtain the name of a domain controller. This could be caused by a name resolution failure. Verify your Domain Name System (DNS) is configured and working correctly.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
 <Provider Name="Microsoft-Windows-GroupPolicy" Guid="{AEA1B4FA-97D1-45F2-A64C-4D69FFFD92C9}" />
 <EventID>1054</EventID>
 <Version>0</Version>
 <Level>2</Level>
 <Task>0</Task>
 <Opcode>1</Opcode>
 <Keywords>0x8000000000000000</Keywords>
 <TimeCreated SystemTime="2014-06-26T06:11:49.361463400Z" />
 <EventRecordID>91916</EventRecordID>
 <Correlation ActivityID="{A79795FE-5CB2-4051-83F7-FA6F9BC566E1}" />
 <Execution ProcessID="872" ThreadID="1148" />
 <Channel>System</Channel>
 <Computer>xxx.domain.no</Computer>
 <Security UserID="S-1-5-18" />
</System>
<EventData>
 <Data Name="SupportInfo1">1</Data>
 <Data Name="SupportInfo2">1903</Data>
 <Data Name="ProcessingMode">0</Data>
 <Data Name="ProcessingTimeInMilliseconds">1139</Data>
 <Data Name="ErrorCode">58</Data>
 <Data Name="ErrorDescription">The specified server cannot perform the requested operation. </Data>
</EventData>
</Event>tData>
</Event>
I have checked all settings such as domain and DNS connectivity, Sysvol access, Ping check (NetBIOS\FQDN), deleted the computer account and rejoined the server to domain and all other basic
steps but nothing has helped.
What shall be the next step to figure out the cause?
Regards
Prabhash

Hi,
Thanks for your response.
Sharing the netstat output, appears to me high ports are open. This is the only server which has issue, I have some more servers in the same VLAN and no other server has this issue.
>netstat -an |find /i "listening"
TCP 0.0.0.0:22 0.0.0.0:0 LISTENING
TCP 0.0.0.0:80 0.0.0.0:0 LISTENING
TCP 0.0.0.0:135 0.0.0.0:0 LISTENING
TCP 0.0.0.0:445 0.0.0.0:0 LISTENING
TCP 0.0.0.0:2222 0.0.0.0:0 LISTENING
TCP 0.0.0.0:2223 0.0.0.0:0 LISTENING
TCP 0.0.0.0:2224 0.0.0.0:0 LISTENING
TCP 0.0.0.0:2846 0.0.0.0:0 LISTENING
TCP 0.0.0.0:3389 0.0.0.0:0 LISTENING
TCP 0.0.0.0:47001 0.0.0.0:0 LISTENING
TCP 0.0.0.0:48000 0.0.0.0:0 LISTENING
TCP 0.0.0.0:48001 0.0.0.0:0 LISTENING
TCP 0.0.0.0:48004 0.0.0.0:0 LISTENING
TCP 0.0.0.0:48005 0.0.0.0:0 LISTENING
TCP 0.0.0.0:48006 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49152 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49153 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49154 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49156 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49250 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49297 0.0.0.0:0 LISTENING
TCP 0.0.0.0:61444 0.0.0.0:0 LISTENING
TCP 10.88.64.51:139 0.0.0.0:0 LISTENING
TCP [::]:22 [::]:0 LISTENING
TCP [::]:80 [::]:0 LISTENING
TCP [::]:135 [::]:0 LISTENING
TCP [::]:445 [::]:0 LISTENING
TCP [::]:3389 [::]:0 LISTENING
TCP [::]:47001 [::]:0 LISTENING
TCP [::]:49152 [::]:0 LISTENING
TCP [::]:49153 [::]:0 LISTENING
TCP [::]:49154 [::]:0 LISTENING
TCP [::]:49156 [::]:0 LISTENING
TCP [::]:49250 [::]:0 LISTENING
TCP [::]:49297 [::]:0 LISTENING
TCP [::]:61444 [::]:0 LISTENING
Please advice.
Regards
Prabhash

Firefox 4 Beta 11 hangs on start up

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I too have this problem. It has only appeared this week. I go to jobsite.co.uk input a search term, go to advanced and select job type 'contract' posted in the last'2 days' and click on search and FF hangs. I have to go into task manager to kill the process. Chrome works on this site.
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I keep having to restart my computer. It say firefox is running in the background but I cannot load another page

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Did you check the Processes tab in the Task Manager?
See "Hang at exit":
* http://kb.mozillazine.org/Firefox_hangs
* [[Firefox hangs]]

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*https://support.mozilla.com/kb/Safe+Mode
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Ok, let's see if we can fix this and get it working for you!
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Run all Windows Updates, install all needed service packs, etc.
Update all your plugins (Flash, Java, etc.): [http://www.mozilla.org/plugincheck/ http://www.mozilla.org/plugincheck/].
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I chose to restore it to factory defaults, but that never succeeded.
It hangs at the end of the process.
printscreen:
http://users.telenet.be/kevvanbelle/iPod/ipod.JPG
Language is Dutch :-)
Littery it says:
Check of Recovery of iPod.
Already for 40 minutes.
I closed down iTunes.
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Question
I have a MacBook and I am unable to successfully update Firefox. I click "Update Firefox" and it's starts updating but never completes the process. I sometimes leave it for hours and it's still updating! It's almost as if something is blocking it ffrom completing the process. Please help

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For backing up your data I recommend that you use Time machine:
http://pondini.org/OSX/Home.html
rob at the orchard wrote:
save directly to internal 'hard drive'
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Ciao.

Firefox 4.0.1 hangs HARD on XP (cannot kill process)

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