Firefox 4.0.1 and 3.6.17 hang and cannot be killed on XP w/o reboot 最近的回答https://support.mozilla.org/zh-CN/questions/8316672011-06-09T01:12:36-07:00In Tools->Options Advanced tab->Settings Firefox apparently defaults to
Use system proxy setti2011-06-09T01:12:36-07:00imipolexhttps://support.mozilla.org/zh-CN/questions/831667#answer-196641<p>In Tools-&gt;Options Advanced tab-&gt;Settings Firefox apparently defaults to
</p><p>Use system proxy settings
</p><p>and this causes all kinds of issues, including non-killable hangs, in a VPN/multi-network environment. Since I changed to
</p><p>Auto-detect proxy settings for the network
</p><p>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.
</p>Please read the actual statement. What was not clear about:
cannot be killed by Taskmgr or anything 2011-06-09T01:11:12-07:00imipolexhttps://support.mozilla.org/zh-CN/questions/831667#answer-196640<p>Please read the actual statement. What was not clear about:
</p><p><strong>cannot be killed by Taskmgr or anything else. </strong> &nbsp;?
</p><p>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).
</p><p>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.
</p>You should be able to terminate Firefox without rebooting.
In all Windows systems: Ctrl+Alt+Del2011-06-07T06:48:49-07:00dmcritchiehttps://support.mozilla.org/zh-CN/questions/831667#answer-195616<p>You should be able to <strong>terminate Firefox without rebooting</strong>.
</p>
<ul><li> 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".
</li><li> On Windows 7 (only): Ctrl+Shift_+Esc gets you to the Task Manager quicker.d
</li></ul>
<p>Ctrl+Alt+Del has the nickname of "The three finger salute".
</p><p>Usual things to check for serious problems:
</p>
<ul><li> <a href="http://kb.mozillazine.org/Firewalls" rel="nofollow">http://kb.mozillazine.org/Firewalls</a>
</li><li> <a href="http://kb.mozillazine.org/Problematic_extensions" rel="nofollow">http://kb.mozillazine.org/Problematic_extensions</a>
</li><li> <a href="http://kb.mozillazine.org/Firefox_hangs" rel="nofollow">http://kb.mozillazine.org/Firefox_hangs</a>
</li><li> <a href="http://kb.mozillazine.org/Firefox_crashes" rel="nofollow">http://kb.mozillazine.org/Firefox_crashes</a>
</li></ul>
<p>Make sure that your Adobe Flash plug-in (10.3.181.22) is up-to-date for Firefox (.
</p>
<ul><li> <a href="http://www.adobe.com/software/flash/about/" rel="nofollow">http://www.adobe.com/software/flash/about/</a>
</li></ul>
<p>Find updates for installed plugins at <a href="http://mozilla.com/plugincheck" rel="nofollow">mozilla.com/plugincheck</a>
</p>