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Firefox 4.0.1 and 3.6.17 hang and cannot be killed on XP w/o reboot

  • 3 replies
  • 6 have this problem
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  • Paskiausią atsakymą parašė imipolex

imipolex
imipolex
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On XP, with Firefox 3.6.17 or 4.0.1, I see frequent loss in connectivity (unrecoverable). This seems associated with network changes (VPN on/off, switch from LAN to wireless broadband, etc.). Once it happens, I can close the (useless) windows, but firefox.exe remains and cannot be killed by Taskmgr or anything else.

It is a very serious issue, since the XP machine often will not even reboot cleanly (but in any case, who wants a browser that requires a frequent system restart?). Please address this, since it basically makes Firefox unusable.

Can't get a crash dump, because firefox.exe will not exit.

On XP, with Firefox 3.6.17 or 4.0.1, I see frequent loss in connectivity (unrecoverable). This seems associated with network changes (VPN on/off, switch from LAN to wireless broadband, etc.). Once it happens, I can close the (useless) windows, but firefox.exe remains and cannot be killed by Taskmgr or anything else. It is a very serious issue, since the XP machine often will not even reboot cleanly (but in any case, who wants a browser that requires a frequent system restart?). Please address this, since it basically makes Firefox unusable. Can't get a crash dump, because firefox.exe will not exit.

All Replies (3)

David McRitchie
David McRitchie
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You should be able to terminate Firefox without rebooting.

  • In all Windows systems: Ctrl+Alt+Del then choose Task Manager, then click on the Process tab, select firefox.exe and use the "Del" key or "Terminate Process".
  • On Windows 7 (only): Ctrl+Shift_+Esc gets you to the Task Manager quicker.d

Ctrl+Alt+Del has the nickname of "The three finger salute".

Usual things to check for serious problems:

Make sure that your Adobe Flash plug-in (10.3.181.22) is up-to-date for Firefox (.

Find updates for installed plugins at mozilla.com/plugincheck

imipolex
imipolex Klausimą uždavęs asmuo
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Please read the actual statement. What was not clear about:

cannot be killed by Taskmgr or anything else.  ?

When firefox.exe is in this state ONLY A REBOOT can get rid of it. Not taskmgr (tried many times), or even pskill.exe (tried it too).

The issue seems to be related to how Firefox handles the network/proxy (see fix below), and does not seem to happen in IE, ever.

imipolex
imipolex Klausimą uždavęs asmuo
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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.