since upgrade to v29, pinned tabs don't appear and sometimes all tabs don't appear and open menu button does not work 的最新解答https://support.mozilla.org/zh-TW/questions/9994142014-05-08T12:45:52-07:00I risked a reset which managed to delete my saved homepages as well as the settings and addons etc. 2014-05-08T12:45:52-07:00lincsathttps://support.mozilla.org/zh-TW/questions/999414#answer-571297<p>I risked a reset which managed to delete my saved homepages as well as the settings and addons etc. However, it does seem a lot more stable now and most times I do get all the tabs where they should be, it's not 100%, will see if the next update helps further.
</p>Firefox may not have closed properly.
You can try to update to Firefox 29.0.1 to be released tomorro2014-05-08T11:16:06-07:00cor-elhttps://support.mozilla.org/zh-TW/questions/999414#answer-571281<p>Firefox may not have closed properly.<br>
You can try to update to Firefox 29.0.1 to be released tomorrow (Friday) to see if that helps with this issue.
</p><p>See also:
</p>
<ul><li>"Hang at exit": <a href="http://kb.mozillazine.org/Firefox_hangs" rel="nofollow">http://kb.mozillazine.org/Firefox_hangs</a>
</li><li>"Firefox hangs when you quit it": <a href="https://support.mozilla.org/kb/Firefox+hangs" rel="nofollow">https://support.mozilla.org/kb/Firefox+hangs</a>
</li></ul>